Reference

AI Glossary

The essential terms of AI applied to digital visibility — with a deep focus on AEO and GEO, the disciplines redefining how brands are discovered online.

5 terms — updated May 2026
Core
AEO
Answer Engine Optimisation
The practice of structuring content so AI systems cite your brand as a trusted answer source.
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Core
GEO
Generative Engine Optimisation
Techniques to increase brand visibility inside AI-generated responses from ChatGPT, Gemini, Perplexity.
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Foundational
LLM
Large Language Model
The AI systems trained on vast text datasets powering every modern answer engine and AI Search tool.
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Technical
RAG
Retrieval-Augmented Generation
The architecture used by AI search engines to retrieve and cite real sources before generating an answer.
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Search
AI Overviews
Google AI Overviews (ex SGE)
Google’s AI-generated summaries that intercept queries at the top of search results before organic listings.
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