About This Glossary

This guide offers you the meanings behind some of today's most commonly-used tech terms and gives you insights into some of the lingo that is now in the parlance of hundreds of thousands of employers worldwide.

Whether you're a seasoned tech professional looking to stay current, or someone new to the field trying to make sense of the terminology, this glossary will help you navigate the complex world of technology in 2025.

A

AI Alignment AI

The field focused on ensuring that artificial intelligence systems act in accordance with human intentions and values. As AI systems become more powerful, ensuring they remain beneficial to humanity becomes increasingly important.

"The company prioritizes AI alignment research to ensure their autonomous systems make decisions that align with human safety standards and ethical considerations."

API (Application Programming Interface) Development

A set of rules and protocols that allows different software applications to communicate with each other. APIs define the methods and data formats that applications can use to request and exchange information.

In 2025, API-first design has become the standard approach for building software systems, with composable architectures allowing businesses to rapidly adapt their tech stacks.

"Our mobile app uses the weather service API to display real-time forecasts to users."

graph LR A[Mobile App] -->|API Request| B[Server] B -->|API Response| A B -->|API Request| C[Weather Service] C -->|API Response| B

Augmented Reality (AR) Extended Reality

Technology that overlays digital information onto the real world, enhancing what users see, hear, and feel in their physical environment. AR applications use cameras, sensors, and sophisticated software to integrate virtual objects with the real world in real-time.

By 2025, AR has evolved beyond mobile screens to include widespread adoption of AR glasses, contact lenses, and spatial computing interfaces that seamlessly blend digital information with physical spaces.

"The retail store's AR system allows customers to visualize how furniture would look in their homes before making a purchase."

Autonomous Systems Robotics

Systems that can operate and make decisions without human intervention, often powered by AI. These include self-driving vehicles, delivery drones, industrial robots, and smart infrastructure components.

By 2025, autonomous systems have become highly sophisticated, leveraging multi-modal AI models, edge computing, and complex sensor arrays to navigate dynamic real-world environments with human-like adaptability.

"The company deployed an autonomous system for warehouse logistics that automatically routes and fulfills orders without human oversight."

B

Blockchain Distributed Systems

A distributed database technology that maintains a continuously growing list of records (blocks) that are linked using cryptography. Each block contains a timestamp and transaction data that is resistant to modification.

By 2025, blockchain has matured beyond cryptocurrencies to power enterprise applications in supply chain, identity verification, voting systems, and interoperable data ecosystems with enhanced privacy features.

"The company implemented a blockchain solution to create an immutable record of their supply chain, allowing customers to verify the ethical sourcing of materials."

graph LR A[Block 1] -->|Hash| B[Block 2] B -->|Hash| C[Block 3] C -->|Hash| D[Block 4] D -->|Hash| E[...]

Biometrics Security

The measurement and analysis of unique physical or behavioral characteristics for authentication and identification purposes. Common biometric identifiers include fingerprints, facial patterns, voice recognition, and even gait analysis.

In 2025, biometric systems have become more sophisticated with multimodal approaches that combine several biometric factors along with liveness detection to prevent spoofing attacks.

"The building's security system uses multimodal biometrics that combines facial recognition and behavioral analysis for seamless access control."

Brain-Computer Interface (BCI) Human Augmentation

A direct communication pathway between the brain and an external device. BCIs capture, analyze, and translate brain signals into commands that can control digital or physical systems.

By 2025, non-invasive BCIs have made significant advances, enabling new applications in accessibility, productivity enhancement, and immersive computing without requiring surgical implants.

"The new BCI headset allows users to control smart home devices and navigate computer interfaces using only their thoughts."

C

Cloud-Native Infrastructure

An approach to building and running applications that takes full advantage of cloud computing delivery models. Cloud-native applications are designed as loosely coupled microservices, packaged in containers, and managed on elastic infrastructure through agile DevOps processes.

In 2025, cloud-native has evolved to support distributed cloud architectures that seamlessly span public clouds, private infrastructure, and edge computing environments with unified governance models.

"The company's cloud-native platform allows them to deploy new features multiple times per day and automatically scale resources based on demand."

graph TB A[Microservices] --> D[Cloud-Native] B[Containers] --> D C[DevOps] --> D E[Infrastructure as Code] --> D F[Service Mesh] --> D

Continuous Intelligence Data Analytics

A design pattern that integrates real-time analytics into business operations, processing current and historical data to prescribe immediate actions. It combines streaming data processing, advanced analytics, and automated decision-making.

By 2025, continuous intelligence has become an essential capability for responsive businesses, enabling them to detect patterns, anomalies, and opportunities in real-time across complex operational environments.

"The company's continuous intelligence system automatically adjusts manufacturing parameters based on real-time quality measurements and supply chain updates."

Cybersecurity Mesh Security

A distributed architectural approach to scalable, flexible, and reliable cybersecurity control. Rather than building a single security perimeter around all devices or nodes, cybersecurity mesh enables identity-based security perimeters around individuals or objects.

In 2025, cybersecurity mesh has become the standard security architecture for distributed organizations, supporting modern work-from-anywhere models and complex multi-cloud environments.

"The company implemented a cybersecurity mesh architecture that secures access to corporate resources regardless of where employees are located or what devices they're using."

D

Data Fabric Data Architecture

An architecture that facilitates flexible, reusable data integration across disparate data sources and consumers. Data fabric uses continuous analytics over existing, discoverable, and inferenced metadata to support the design, deployment, and use of integrated data across all environments.

By 2025, data fabric designs have become essential for organizations dealing with complex data ecosystems, enabling seamless access while enforcing governance and compliance requirements.

"The company's data fabric enables analysts to access and combine data from multiple sources without having to understand the underlying technical complexity of data location or format."

graph TD A[Data Sources] --> B[Data Fabric] B --> C[Applications] B --> D[Analytics] B --> E[AI Services] F[Metadata Management] --> B G[Data Governance] --> B

Digital Twin Simulation

A virtual representation of a physical object, process, or system that serves as a real-time digital counterpart. Digital twins use IoT sensors, AI, and analytics to mirror the real world and simulate scenarios.

In 2025, digital twins have expanded beyond individual assets to entire systems and environments, enabling sophisticated simulations and predictive capabilities for urban planning, healthcare, and complex industrial operations.

"The hospital created a digital twin of their emergency department to optimize patient flow and test responses to various crisis scenarios."

DevSecOps Development Methodology

An approach to software development that integrates security practices within the DevOps process. DevSecOps aims to build security into every stage of the development lifecycle, from design through integration, testing, deployment, and ongoing operations.

By 2025, DevSecOps has evolved to include automated security verification, compliance-as-code, and AI-driven vulnerability prediction that shifts security even further left in the development process.

"The company's DevSecOps pipeline automatically runs security scans, compliance checks, and dependency analysis with each code commit."

E

Edge Computing Infrastructure

A distributed computing paradigm that brings computation and data storage closer to the location where it is needed. Edge computing reduces latency, conserves bandwidth, and enables data processing in environments with limited connectivity.

In 2025, edge computing has expanded with specialized AI hardware accelerators and software platforms that enable sophisticated applications to run locally on devices ranging from industrial equipment to consumer electronics.

"The factory deployed edge computing systems to analyze sensor data locally, enabling real-time quality control without sending data to the cloud."

graph LR A[IoT Devices] --> B[Edge Nodes] B <--> C[Cloud] B --> D[Local Applications]

Extended Reality (XR) Immersive Technology

An umbrella term for all immersive technologies that extend reality by either blending the virtual and real worlds or creating a fully immersive experience. XR includes augmented reality (AR), virtual reality (VR), and mixed reality (MR).

By 2025, XR has become more accessible through lightweight, powerful devices with natural interfaces that integrate seamlessly into everyday activities for both consumer and enterprise applications.

"The company uses extended reality solutions for employee training, allowing workers to practice complex procedures in a safe, virtual environment before performing them in real-world settings."

F

Federated Learning AI & Privacy

A machine learning approach that trains algorithms across multiple decentralized devices or servers holding local data samples, without exchanging the data itself. This preserves privacy while still benefiting from diverse training data.

By 2025, federated learning has become standard practice for privacy-preserving AI development, allowing organizations to collaborate on model training without sharing sensitive data across regulatory or competitive boundaries.

"The healthcare consortium used federated learning to develop a diagnostic AI system trained across multiple hospitals without ever transferring patient data between institutions."

graph TB A[Local Data 1] --> B[Local Model 1] C[Local Data 2] --> D[Local Model 2] E[Local Data 3] --> F[Local Model 3] B --> G[Model Updates] D --> G F --> G G --> H[Global Model] H --> B H --> D H --> F

Foundation Models AI

Large-scale AI models trained on vast datasets that can be adapted to a wide range of downstream tasks with minimal fine-tuning. These models serve as a "foundation" for many different applications rather than being designed for a single specific purpose.

In 2025, foundation models have evolved to be more efficient, interpretable, and trustworthy, serving as the backbone for numerous specialized AI systems across industries.

"The company uses a foundation model that they've fine-tuned for their industry-specific needs, saving years of development time compared to building specialized AI models from scratch."

G

Generative AI AI

Artificial intelligence systems capable of generating new content, including text, images, audio, code, 3D models, and synthetic data. These models learn the patterns and structures in their training data and can produce original outputs that mimic those patterns.

By 2025, generative AI has matured to become an integral part of creative workflows, product development, and business operations with substantially improved capabilities in multi-step reasoning, planning, and domain-specific expertise.

"The design team uses generative AI to rapidly prototype product concepts, generating dozens of variations based on their initial sketches and requirements."

Green IT Sustainability

The practice of designing, manufacturing, using, and disposing of computers, servers, and associated subsystems efficiently and effectively with minimal impact on the environment. Green IT includes the pursuit of energy efficiency, responsible disposal of electronic waste, and sustainable resource use.

In 2025, Green IT has evolved from a nice-to-have to a critical business imperative, with carbon-aware computing, circular IT assets, and sustainable software design becoming standard practice across the industry.

"The company implemented Green IT practices that reduced their data center energy consumption by 40% while increasing computing capacity."

H

Hyperautomation Business Automation

A business-driven approach to identifying, vetting, and automating as many business and IT processes as possible. Hyperautomation involves the orchestrated use of multiple technologies, tools, and platforms, including AI, machine learning, robotic process automation (RPA), and intelligent business process management software.

By 2025, hyperautomation has matured to include sophisticated AI agents capable of autonomously discovering automation opportunities and managing complex workflows with minimal human oversight.

"The finance department implemented a hyperautomation platform that reduced manual processing by 85% while improving accuracy and generating insights from the automated workflows."

graph TD A[Process Discovery] --> B[Hyperautomation Platform] B --> C[Robotic Process Automation] B --> D[Machine Learning] B --> E[Process Mining] B --> F[Business Process Management] B --> G[Analytics & Insights]

Human-Centered AI AI Ethics

An approach to artificial intelligence that puts human needs, values, and well-being at the center of AI system design, development, and deployment. Human-centered AI aims to create systems that augment human capabilities rather than replace them, while respecting privacy, autonomy, and dignity.

In 2025, human-centered AI has become a cornerstone of responsible technology development, with standardized frameworks for evaluating AI systems based on their impacts on individuals and society.

"The company's human-centered AI initiative ensured that their automation tools enhanced employee capabilities while preserving meaningful human roles in decision-making processes."

I

Immersive Workplace Future of Work

A work environment that leverages extended reality (XR), spatial computing, and advanced collaboration tools to create engaging, interactive spaces for remote and hybrid teams. Immersive workplaces use digital technologies to transcend physical limitations and enhance communication and collaboration.

By 2025, immersive workplaces have evolved beyond novelty to become practical, everyday environments that support distributed teams with natural interactions and shared virtual spaces.

"The company's immersive workplace allows distributed team members to collaborate in a shared virtual office space, manipulating 3D models and accessing information through intuitive spatial interfaces."

Internet of Behaviors (IoB) Data Analytics

The collection and use of data to understand, analyze, and influence human behavior through a combination of technology, data analytics, and behavioral science. IoB extends the Internet of Things (IoT) by focusing on the insights derived from data about human actions and preferences.

In 2025, IoB has matured with strong ethical frameworks governing how behavioral data can be collected and applied, balancing innovation with privacy and autonomy considerations.

"The healthcare provider uses Internet of Behaviors technology to analyze patient lifestyle patterns and provide personalized nudges that improve medication adherence and healthy habits."

K

Knowledge Graph Data Architecture

A knowledge representation that uses a graph-structured data model to store and connect information. Knowledge graphs represent entities as nodes and relationships between entities as edges, creating a network of interlinked data that captures contextual relationships and semantic meaning.

By 2025, knowledge graphs have become foundational infrastructure for AI systems, enabling more sophisticated reasoning, explainability, and contextual understanding across domains.

"The organization built a knowledge graph connecting their products, customers, and market data, enabling them to identify previously hidden relationships and opportunities."

graph TD A[Product] -->|sold to| B[Customer] B -->|located in| C[Region] A -->|belongs to| D[Category] D -->|affected by| E[Market Trend] B -->|has| F[Demographic] F -->|influences| E

L

Large Language Models (LLMs) AI

Advanced AI systems trained on vast amounts of text data that can understand, generate, and manipulate natural language. LLMs can perform a wide range of language tasks—from translation and summarization to creative writing and complex reasoning—based on the patterns they've learned from their training data.

In 2025, LLMs have evolved to become more efficient, reliable, and contextually aware, with enhanced capabilities for complex reasoning, multilingual understanding, and specialized domain knowledge.

"The company deployed specialized LLMs across their organization to assist with customer support, content creation, and internal knowledge management."

Low-Code/No-Code Development

Development platforms that allow users to create applications through graphical user interfaces and configuration instead of traditional computer programming. These platforms enable citizen developers with minimal technical expertise to build functional applications that meet business needs.

By 2025, low-code/no-code platforms have matured to support sophisticated enterprise applications, augmented by AI assistance that can translate natural language requirements into functional components.

"The marketing team used a low-code platform to build a customer journey automation system without requiring dedicated engineering resources."

M

Machine Learning Operations (MLOps) AI Infrastructure

A set of practices that combines Machine Learning, DevOps, and Data Engineering to deploy and maintain ML models in production reliably and efficiently. MLOps aims to standardize the ML lifecycle management process with automation, monitoring, and governance.

In 2025, MLOps has matured into comprehensive platforms that manage the entire ML lifecycle with sophisticated capabilities for automated retraining, model governance, and regulatory compliance.

"The company's MLOps platform automatically detects performance degradation in production models and initiates retraining pipelines to maintain accuracy over time."

graph LR A[Data Engineering] --> B[MLOps] C[Machine Learning] --> B D[DevOps] --> B E[Model Governance] --> B B --> F[Automated Testing] B --> G[CI/CD for ML] B --> H[Model Monitoring] B --> I[Feature Store]

Metaverse Extended Reality

A collective, persistent virtual shared space created by the convergence of physical and digital reality. The metaverse encompasses interconnected immersive experiences across virtual worlds, augmented reality, and the internet, allowing for persistent social presence and shared digital economies.

By 2025, the metaverse concept has evolved from early hype to practical implementations, with specialized industrial metaverses, educational environments, and entertainment spaces built on interoperable standards.

"The company hosts virtual product launches in their metaverse space, allowing customers from around the world to interact with new products in an immersive environment."

Multimodal AI AI

AI systems that can process and understand multiple types of information or "modalities," such as text, images, audio, video, and sensor data. Multimodal AI integrates information across these different formats to develop a more comprehensive understanding of content and context.

In 2025, multimodal AI has become standard for advanced applications, with systems capable of seamlessly understanding and generating content across visual, auditory, and textual domains with contextual awareness.

"The quality inspection system uses multimodal AI to analyze visual, acoustic, and sensor data simultaneously, detecting defects that wouldn't be apparent through any single data stream."

N

Neuromorphic Computing Computing Architecture

A computing architecture inspired by the structure and function of the human brain. Neuromorphic systems use artificial neural networks implemented in hardware to process information in ways that mimic biological neural networks, offering potential advantages in energy efficiency and processing certain types of data.

By 2025, neuromorphic computing has moved beyond research labs to commercial applications, particularly for edge devices that require sophisticated AI capabilities with minimal power consumption.

"The autonomous drone uses a neuromorphic processor to handle real-time visual navigation and obstacle avoidance while consuming only a fraction of the power required by traditional computing approaches."

Neurotech Human Augmentation

Technologies that interact directly with the brain or nervous system to monitor or influence neural activity. Neurotech includes tools for recording brain activity, stimulating neural tissues, and interfacing between neural systems and computers or other devices.

In 2025, neurotech has advanced significantly with non-invasive devices becoming more capable of precise neural monitoring and subtle influence, opening applications in healthcare, accessibility, and cognitive enhancement.

"The rehabilitation center uses neurotech devices to help stroke patients regain motor control by providing real-time feedback on neural activity during physical therapy exercises."

Q

Quantum Computing Computing

A type of computing that uses quantum-mechanical phenomena, such as superposition and entanglement, to perform operations on data. Quantum computers use quantum bits or "qubits" instead of classical bits, potentially allowing them to solve certain complex problems much faster than classical computers.

By 2025, quantum computing has progressed from primarily experimental systems to early practical applications in specific domains, with hybrid quantum-classical approaches becoming increasingly important for real-world problem-solving.

"The pharmaceutical company uses quantum computing to simulate molecular interactions for drug discovery, reducing research time from years to months for certain compound classes."

Quantum-Resistant Cryptography Security

Cryptographic algorithms designed to be secure against attacks from both quantum and classical computers. Also known as post-quantum cryptography, these approaches aim to replace current cryptographic standards that could be vulnerable to quantum computing attacks.

In 2025, the transition to quantum-resistant cryptography has become a top priority for organizations, with standardized algorithms being widely implemented to protect sensitive data from future quantum threats.

"The financial institution implemented quantum-resistant cryptography for all its communications, ensuring its encryption will remain secure even as quantum computing advances."

R

Responsible AI AI Ethics

An approach to developing and deploying artificial intelligence that emphasizes ethical considerations, transparency, fairness, privacy, and accountability. Responsible AI aims to ensure that AI systems benefit humanity, respect human autonomy, and avoid causing harm.

By 2025, responsible AI has evolved from high-level principles to concrete governance frameworks with standardized assessment methodologies and regulatory requirements across major jurisdictions.

"The company implemented a responsible AI framework that includes regular bias audits, explainability requirements, and stakeholder impact assessments for all high-risk AI applications."

graph TD A[Responsible AI] --> B[Fairness & Non-discrimination] A --> C[Transparency & Explainability] A --> D[Privacy & Data Governance] A --> E[Safety & Security] A --> F[Accountability] A --> G[Human Oversight] A --> H[Sustainability]

Robotic Process Automation (RPA) Business Automation

Technology that allows organizations to automate routine, rule-based tasks by configuring software "robots" to mimic human interactions with digital systems. RPA can capture data, navigate applications, perform calculations, and complete transactions across multiple systems.

In 2025, RPA has evolved from simple task automation to intelligent automation that combines RPA with AI capabilities like natural language processing, computer vision, and machine learning, enabling automation of more complex and judgment-based processes.

"The insurance company uses RPA bots to process standard claims, automatically extracting information from submitted documents and updating multiple systems, freeing human staff to handle complex cases requiring judgment."

S

Synthetic Data Data

Artificially generated information that mimics the statistical properties and patterns of real-world data without containing any actual original data points. Synthetic data is created using algorithms like GANs (Generative Adversarial Networks) and other AI approaches.

By 2025, synthetic data has become an essential resource for training AI models, enabling development in domains where real data is scarce, sensitive, or expensive to collect, while addressing privacy concerns and regulatory constraints.

"The healthcare startup used synthetic patient data to train their diagnostic algorithm, achieving high accuracy without exposing actual patient records to their development team."

Swarm Intelligence Distributed Systems

A collective behavior of decentralized, self-organized systems, natural or artificial. Swarm intelligence is inspired by the collective behavior of social insect colonies and other animal societies, where simple interactions between agents lead to the emergence of intelligent behavior.

In 2025, swarm intelligence principles are being applied to coordinate fleets of autonomous robots, drones, and vehicles, enabling them to collaborate on complex tasks with resilience to individual failures.

"The warehouse deployed a swarm of autonomous robots that coordinate their actions using swarm intelligence principles, dynamically reorganizing when obstacles appear or priorities change."

T

Tokenization Data Security

A process that replaces sensitive data with unique identification symbols (tokens) that retain essential information about the data without compromising its security. Unlike encryption, tokenization doesn't use a mathematical process to transform the original data, making it more secure against brute force attacks.

By 2025, tokenization has expanded beyond payment security to become a fundamental approach for protecting various types of sensitive data while maintaining its utility for analytics and processing.

"The healthcare provider uses tokenization to allow researchers to analyze patient data patterns without exposing actual patient identifiers or medical records."

graph LR A[Sensitive Data: 4111-1111-1111-1111] --> B[Tokenization System] B --> C[Token: 87x92a1] D[Token Vault] <--> B

Transfer Learning AI

A machine learning technique where a model developed for one task is reused as the starting point for a model on a second task. Transfer learning leverages knowledge gained from solving one problem to improve performance on a related but different problem.

In 2025, transfer learning has evolved with sophisticated adaptation techniques that allow models to efficiently leverage knowledge across diverse domains, significantly reducing the amount of task-specific data and computational resources needed for new applications.

"The medical imaging company used transfer learning to adapt a general image recognition model to detect specific conditions in X-rays, requiring only a fraction of the labeled examples normally needed."

Z

Zero Trust Security

A security concept centered on the belief that organizations should not automatically trust anything inside or outside their perimeters and must verify everything trying to connect to their systems. Zero Trust assumes breach and verifies each request as though it originates from an open network.

By 2025, Zero Trust has evolved from a buzzword to a comprehensive architectural approach implemented across organizations of all sizes, with continuous verification, least privilege access, and micro-segmentation as core principles.

"The company implemented a Zero Trust architecture that requires continuous verification of every user and device, regardless of whether they're connecting from inside or outside the corporate network."

graph TD A[User/Device] --> B[Identity Verification] B --> C[Device Verification] C --> D[Access Request] D --> E{Policy Engine} E --> F[Continuous Monitoring] F --> G[Least Privilege Access] F --> H[Revoke Access]