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AI Glossary

Clear, practical definitions of essential AI terms for UK businesses and professionals

101 terms
Practical Terms

Abstention

The AI capability to recognise uncertainty and explicitly decline to answer questions rather than generating...

Advanced Concepts

Agent-to-Agent Protocol (A2A)

A standardised communication framework that enables multiple AI agents to coordinate, share information, and...

Advanced Concepts

Agentic AI

AI systems designed with autonomous decision-making capabilities that can independently execute multi-step tasks, adapt...

Practical Terms

Agentic Commerce

AI-powered autonomous purchasing systems that can independently research products, compare options, negotiate prices,...

Advanced Concepts

AI Agent

An autonomous software program that can perform tasks, make decisions, and interact with systems or users on behalf of...

Security and Ethics

AI Bias

When AI systems produce unfair or discriminatory results due to biased training data or algorithms. Businesses should...

Practical Terms

AI Hallucination

When AI systems generate information that appears credible but is actually false or fabricated. Businesses should be...

Business Applications

AI Overviews

Google's AI-powered search feature that generates synthesised summaries directly within search results, providing users...

Getting Started with AI

AI Safety

The field focused on ensuring AI systems operate reliably, predictably, and beneficially without causing unintended...

Business Applications

AI Sprawl

The uncontrolled proliferation of AI tools, applications, and systems across an organisation without centralised...

Getting Started with AI

AI Strategy

A comprehensive plan for how your business will adopt, implement, and benefit from AI technologies. A clear AI strategy...

AI Development and Training

Algorithm

A set of rules or instructions that tells an AI system how to solve problems or complete tasks. Think of algorithms as...

Getting Started with AI

Alignment (AI)

The process of ensuring AI systems operate according to human values and business objectives, particularly in...

Getting Started with AI

Anthropomorphism (AI)

The tendency to attribute human characteristics, emotions, or consciousness to AI systems when they are purely...

Getting Started with AI

Artificial General Intelligence (AGI)

A theoretical form of AI that would match or exceed human cognitive abilities across all domains, including reasoning,...

Core AI Terms

Artificial Intelligence (AI)

The simulation of human intelligence in machines that can learn, reason, make decisions, and perform tasks that...

Advanced Concepts

Automation

The use of technology to perform tasks with minimal human intervention. AI-powered automation can help businesses...

Getting Started with AI

Autonomous Agents

Self-directed AI systems capable of independently completing complex tasks, making decisions, and adapting their...

Getting Started with AI

Behavioural Calibration

The AI capability to appropriately adjust confidence expression across different uncertainty thresholds, demonstrating...

Getting Started with AI

Benchmark

A standardised test or evaluation framework designed to measure AI system performance across specific tasks, enabling...

Cloud Computing and Infrastructure

Big Data

Extremely large datasets that require special tools and techniques to store, process, and analyse. While traditionally...

Security and Ethics

Biometric AI

Artificial intelligence systems that process and analyse unique physical, physiological, or behavioural characteristics...

Getting Started with AI

Biosecurity Threat Detection

AI systems designed to identify potential biological hazards, emerging pathogens, or misuse risks in biological...

Business Applications

Business Intelligence (BI)

Tools and processes that collect, analyse, and present business data to support informed decision-making. BI helps...

Advanced Concepts

Calibration (AI)

The accuracy with which an AI system's expressed confidence levels match its actual performance, enabling users to...

Advanced Concepts

Chain-of-Thought Prompting

A technique for improving AI reasoning by instructing the system to explain its thinking step-by-step before providing...

Advanced Concepts

Chatbot

An AI-powered software application designed to simulate conversation with users. Chatbots can help businesses provide...

Advanced Concepts

Code Synthesis

AI technology that automatically generates functional programming code from natural language descriptions, business...

Advanced Concepts

Computer Vision

AI technology that enables machines to interpret and understand visual information from images and videos. Businesses...

Advanced Concepts

Context Engineering

The practice of selecting, structuring, and dynamically managing information provided to AI systems to optimise...

Advanced Concepts

Context Window

The maximum amount of text an AI system can process and remember during a single conversation or task, measured in...

Advanced Concepts

Corpus

A large, structured collection of text or data used to train AI language models, serving as the knowledge foundation...

Security and Ethics

Cybersecurity

The practice of protecting digital systems, networks, and data from cyber threats. As businesses adopt AI tools,...

Getting Started with AI

Data Augmentation

The technique of artificially expanding training datasets by creating modified versions of existing data through...

Data and Analytics

Data Mining

The process of discovering patterns, trends, and insights from large datasets. Data mining can reveal customer...

Security and Ethics

Data Protection

The practices and regulations governing how personal and business data is collected, stored, and used. UK businesses...

Getting Started with AI

Dataset

A structured collection of data used to train, validate, and test AI systems, typically organised in formats that...

Core AI Terms

Deep Learning

An advanced form of machine learning that uses artificial neural networks (inspired by the human brain) to analyse...

Advanced Concepts

Differential Privacy

A mathematical framework that enables organisations to gain insights from datasets whilst providing formal guarantees...

Getting Started with AI

Diffusion Models

A class of generative AI that creates new content by learning to reverse a gradual noise-adding process, enabling...

Getting Started with AI

Digital Transformation

The integration of digital technologies into all areas of business, fundamentally changing operations and customer...

Getting Started with AI

Embeddings

Mathematical representations that convert words, sentences, or other data into numerical formats that AI systems can...

Getting Started with AI

Emergent Behavior

Unexpected capabilities or patterns that arise in AI systems as they scale up in size, training data, or computational...

Getting Started with AI

Few-shot Learning

An AI capability that enables systems to learn new tasks from just a handful of examples rather than requiring...

Getting Started with AI

Fine-tuning

The process of adapting a pre-trained AI model to perform better on specific business tasks or domains by training it...

Getting Started with AI

Foundation Models

Large-scale AI systems trained on broad, diverse datasets that serve as starting points for developing specialised...

Core AI Terms

Generative AI

AI technology that creates new content including text, images, code, or other media based on training data and user...

Getting Started with AI

Guardrails (AI)

Safety mechanisms and constraint systems built into AI applications to prevent harmful, inappropriate, or off-brand...

Advanced Concepts

Incognito Chat

A privacy-preserving conversation mode in AI systems where interactions are not stored, logged, or used for model...

Getting Started with AI

Inference

The process by which a trained AI model processes new input data to generate predictions, classifications, or responses...

Security and Ethics

Infrastructure as a Service (IaaS)

Cloud-based computing resources (servers, storage, networking) delivered on-demand. IaaS provides the foundational...

Core AI Terms

Large Behaviour Models (LBM)

AI systems designed to understand, simulate, and generate complex behavioural patterns and sequential actions by...

Core AI Terms

Large Language Model (LLM)

A type of AI model trained on vast amounts of text data that can understand and generate human-like language. LLMs...

Getting Started with AI

Latency

The time delay between submitting a request to an AI system and receiving its response, critical for user experience...

Core AI Terms

Machine Learning (ML)

A subset of AI where systems automatically learn and improve from data without being explicitly programmed for each...

Data and Analytics

MCP-UI

A standardised SDK framework that delivers interactive user interface components directly from Model Context Protocol...

AI Development and Training

Model

The "brain" of an AI system - a mathematical representation that has been trained on data to make predictions or...

AI Development and Training

Model Context Protocol (MCP)

A standardised framework that enables AI systems to securely connect with external tools, databases, and applications....

Getting Started with AI

Multimodal AI

AI systems capable of processing and understanding multiple types of input simultaneously, such as text, images, audio,...

Business Applications

Natural Language Processing (NLP)

Technology that enables computers to understand, interpret, and generate human language. NLP powers chatbots, email...

AI Development and Training

Neural Network

A computing system inspired by biological neural networks that processes information through interconnected nodes....

Core AI Terms

Neurosymbolic AI

A hybrid artificial intelligence approach that combines neural networks' pattern recognition capabilities with symbolic...

Getting Started with AI

Overfitting

A training error where an AI model becomes too specialised to its training data, performing excellently on familiar...

Getting Started with AI

Parameters

The adjustable numerical values within AI models that determine how the system processes information and makes...

Cloud Computing and Infrastructure

Platform as a Service (PaaS)

A cloud computing model that provides a complete development and deployment environment. PaaS enables businesses to...

Business Applications

Policy-as-UX

An approach to AI governance that embeds compliance requirements and security policies directly into user workflows...

Data and Analytics

Predictive Analytics

Using historical data and AI to forecast future trends, behaviours, or outcomes. Businesses can use predictive...

Practical Terms

Prompt

The input or question given to an AI system to generate a response. Well-crafted prompts are essential for getting...

Practical Terms

Prompt Engineering

The practice of designing effective prompts to get the best results from AI systems. This skill is becoming valuable...

Practical Terms

Prompt Injection

A security vulnerability where malicious users manipulate AI system inputs to override intended instructions, bypass...

Practical Terms

Prompt-Driven Development

A software development methodology where natural language prompts serve as the primary mechanism for specifying...

Getting Started with AI

Proof of Concept (PoC)

A small-scale demonstration that tests whether an AI solution is viable for your business needs. Starting with a PoC...

Getting Started with AI

Quantization

The technical process of reducing AI model precision by converting high-precision numbers to lower-precision...

Getting Started with AI

Return on Investment (ROI)

A measure of the efficiency and profitability of an AI investment. Businesses should calculate expected ROI when...

Business Applications

Robotic Process Automation (RPA)

Software that uses "bots" to automate repetitive, rule-based business tasks like data entry, invoice processing, and...

Advanced Concepts

Scientific Simulation

AI-enhanced computational modelling that accelerates scientific research and development by simulating complex...

Business Applications

Shadow AI

Unauthorised or unmanaged AI tools and services that employees use without formal IT approval or governance oversight,...

Cloud Computing and Infrastructure

Software as a Service (SaaS)

Cloud-based software delivered over the internet on a subscription basis. Most AI tools for businesses are delivered as...

Advanced Concepts

Spec-Driven Development

A disciplined AI-assisted coding methodology that follows a structured four-phase workflow: Specify (define...

Business Applications

Structured Data Generation

AI technology that creates organised, machine-readable data outputs such as JSON, XML, databases, or spreadsheets from...

Getting Started with AI

Synthetic Data

Artificially generated data that mimics the statistical properties and patterns of real data without containing actual...

Getting Started with AI

Temperature (AI)

A parameter that controls the randomness or creativity of AI-generated outputs, with lower values producing more...

Getting Started with AI

Tokens

The fundamental units of text processing in AI language models, representing individual words, parts of words, or...

Getting Started with AI

Tool Calling

The capability of AI systems to interact with external applications, databases, and APIs by dynamically invoking...

AI Development and Training

Training Data

The information used to teach AI systems how to perform specific tasks. High-quality, relevant training data is crucial...

Getting Started with AI

Transformer Model

The foundational AI architecture that revolutionised natural language processing by using attention mechanisms to...

Getting Started with AI

Turing Test

A benchmark proposed by Alan Turing for evaluating machine intelligence, where a human judge engages in text...

Getting Started with AI

Unsupervised Learning

A machine learning approach where AI systems discover patterns, structures, or relationships in data without being...

Getting Started with AI

Vector Databases

Specialised database systems designed to store, index, and rapidly retrieve high-dimensional vector embeddings,...

Getting Started with AI

Vectors

Numerical arrays that represent data in multidimensional space, enabling AI systems to perform mathematical operations...

Advanced Concepts

Verbalised Sampling

A technique where AI systems articulate their reasoning process during response generation by explicitly producing...

Advanced Concepts

Vibe Coding

An informal, exploratory approach to AI-assisted programming where developers use conversational prompts and iterative...

Advanced Concepts

Voice Cloning

AI technology that replicates a person's voice characteristics, including tone, pitch, accent, and speech patterns,...

AI Development and Training

Zero-click Behaviour

User search patterns where queries are satisfied directly within search results through AI-generated summaries or...

Getting Started with AI

Zero-shot Learning

An AI capability that enables models to perform tasks or answer questions about topics they haven't been specifically...