AI Topics: the terms behind AI products, in plain English
One short page per term, written by the engineers who build with it. Each starts with a one-sentence definition, explains what it means for a product, and links to the deeper guide when you want more.
- 63 terms defined
- 8 themes
- last updated
- Engineers write every definition
Six terms that unlock the rest
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AI foundations
Artificial intelligence (AI)
Artificial intelligence (AI) is software that performs tasks which normally need human judgement, such as recognising images or speech, understanding languag...
Read the definition -
AI foundations
Machine learning (ML)
A way of building AI where a model learns patterns from data instead of following rules written by hand.
Read the definition -
Generative AI and LLMs
Generative AI
AI that creates new text, images, code or audio from a prompt rather than classifying existing data.
Read the definition -
Generative AI and LLMs
Large language model (LLM)
A model trained on vast amounts of text that can read, summarise, answer and write; the core of most generative AI products.
Read the definition -
Generative AI and LLMs
Retrieval-augmented generation (RAG)
Giving a language model your own documents at answer time so it replies from your data instead of guessing.
Read the definition -
Running AI in production
AI governance
The policies, roles and controls that decide how AI is built, approved, monitored and held accountable.
Read the definition
Browse the glossary
63 terms
A
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AI ethics
The principles for building AI that is fair, transparent, safe and respectful of people's rights.
Running AI in production -
AI governance
The policies, roles and controls that decide how AI is built, approved, monitored and held accountable.
Running AI in production -
AI in 5G networks
Using AI to manage network traffic, energy and faults in 5G infrastructure.
AI in industries -
AI in cybersecurity
Using models to detect threats, flag unusual behaviour and respond faster than rule-based tools.
Running AI in production -
AI in finance
Fraud detection, credit scoring, trading and customer service powered by models.
AI in industries -
AI in healthcare
How clinics, payers and medtech use AI for diagnosis support, documentation, triage and operations.
AI in industries -
AI in IoT
Adding models to connected devices so they can detect, predict and act on their own data.
AI in industries -
AI in manufacturing
Predictive maintenance, quality inspection and production planning with models and sensors.
AI in industries -
AI in retail
Personalisation, demand forecasting, pricing and store operations driven by AI.
AI in industries -
AI in supply chain
Forecasting demand, routing, inventory and risk across suppliers and logistics.
AI in industries -
AI maturity assessment
A structured review that scores where a company sits on the maturity model and where to invest next.
AI strategy and business -
AI maturity model
A staged scale that describes how advanced an organisation's AI capability is and what the next stage needs.
AI strategy and business -
AI model drift
The slow loss of accuracy when the real world changes but the model does not.
Running AI in production -
AI model monitoring
Watching a live model's accuracy, speed, cost and behaviour so problems are caught before users notice.
Running AI in production -
AI startup ecosystem
The founders, investors, accelerators and platforms that fund and grow AI companies.
AI strategy and business -
AI strategy
A plan that links AI projects to business goals, data, people and risk, with a sequence and a budget.
AI strategy and business -
AI talent acquisition
Using AI to find, screen and schedule candidates, and the skills a company needs to hire for AI work.
AI strategy and business -
AI-driven decision-making
Letting models recommend or make routine decisions from data, with people handling the exceptions.
AI strategy and business -
AI-driven personalization
Tailoring content, offers and experiences to each user in real time from their behaviour.
AI strategy and business -
AI-enabled business intelligence
Reporting tools that use AI to surface trends, answer questions in plain language and forecast.
AI strategy and business -
AI-first business strategies
Designing products and operations around AI from the start rather than adding it later.
AI strategy and business -
Anomaly detection
Spotting data points that do not fit the usual pattern, used for fraud, faults and security alerts.
AI foundations -
Artificial general intelligence (AGI)
A hypothetical AI that could learn and reason across any task at a human level, as opposed to today's narrow systems.
AI foundations -
Artificial intelligence (AI)
Artificial intelligence (AI) is software that performs tasks which normally need human judgement, such as recognising images or speech, understanding languag...
AI foundations
C
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Chatbots
Software that holds a text conversation with users, from scripted menus to language-model assistants.
Agents, assistants and conversation -
Cloud AI platforms
Managed services from AWS, Azure and Google Cloud for training, hosting and running AI models.
Data and engineering -
Continuous learning in AI
Updating a model from new data after launch so it keeps improving instead of drifting.
Running AI in production -
Conversational AI
The technology that lets software understand and respond in natural dialogue, by text or voice.
Agents, assistants and conversation
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Data engineering
Building the pipelines and storage that collect, clean and deliver data to analytics and AI systems.
Data and engineering -
Data ethics
Collecting and using data in ways that are lawful, fair and honest with the people it describes.
Running AI in production -
Data labeling
Tagging examples (this is a cat, this invoice is overdue) so a model can learn from them.
Data and engineering -
Data lakes
Storage that keeps raw data in any format until it is needed, cheaper and more flexible than a warehouse.
Data and engineering -
Data visualization in AI
Turning model outputs and metrics into charts people can act on.
Data and engineering -
Data warehousing
A central, structured store of business data organised for reporting and analysis.
Data and engineering -
Data-driven decision making
Choosing a course of action from evidence and measurement rather than instinct alone.
AI strategy and business -
Deep learning
Machine learning with many-layered neural networks, the technique behind image recognition, speech and large language models.
AI foundations -
DeepSeek AI
An open-weight family of language models from China known for low training cost and strong reasoning benchmarks.
Generative AI and LLMs -
Digital transformation with AI
Rebuilding processes and products around data and AI, not just moving them online.
AI strategy and business -
Digital twin
A live virtual copy of a machine, building or process, fed by sensor data and used to simulate and predict.
Emerging technology
E
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Edge AI
Running models on the device or near it (a phone, a camera, a factory controller) instead of in a distant data centre.
Running AI in production -
ELT (Extract, Load, Transform)
Moving raw data into storage first and reshaping it there, the modern alternative to transforming before loading.
Data and engineering -
Explainable AI
Methods that show why a model produced a result, needed wherever a decision has to be justified to a person or a regulator.
AI foundations
G
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Generative AI
AI that creates new text, images, code or audio from a prompt rather than classifying existing data.
Generative AI and LLMs -
Global capability centers (GCCs)
Offshore centres a multinational owns and runs itself for engineering, data and AI work.
AI strategy and business -
GPT
Generative Pre-trained Transformer, the family of large language models that made chat-style AI mainstream.
Generative AI and LLMs
I
L
M
N
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Natural language processing (NLP)
The branch of AI that reads, understands and writes human language, from search to chat.
AI foundations -
NVIDIA NIM
NVIDIA's packaged microservices for running AI models on its hardware with a standard API.
Generative AI and LLMs
O
P
Q
R
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Recommendation systems
Models that predict what a user will want next from past behaviour, the engine behind product and content feeds.
AI foundations -
Retrieval-augmented generation (RAG)
Giving a language model your own documents at answer time so it replies from your data instead of guessing.
Generative AI and LLMs -
ROI of AI
How to measure the return on an AI investment: cost saved, revenue added and risk reduced against what it cost to build and run.
AI strategy and business
S
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Semantic analysis
Working out what text means, not just which words it contains, so systems can match intent rather than keywords.
AI foundations -
Sentiment analysis
Reading text to judge whether its tone is positive, negative or neutral, at scale.
AI foundations -
Speech AI
Models that turn speech into text and text into speech, and understand what was said.
Agents, assistants and conversation -
Synthetic data generation
Creating artificial data that behaves like the real thing, used when real data is scarce, private or sensitive.
Data and engineering
T
V
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Insights Deep guides with Ailoitte data
RAG, AI agents, healthcare compliance and industry AI, written by the engineers who build them.
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Blog AI and Agents how-tos
Build guides, model comparisons and cost breakdowns for putting AI into production.
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Service AI consulting and discovery
A two-week workshop that turns a term you just looked up into a scoped plan with a fixed price.
Know the term. Now scope the project.
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