SEO and AI search glossary
The 35 SEO and AI search terms we use with clients. Each one is answered in a sentence, the way an AI tool would quote it, then explained with an example.
Written by Liam Lytton, founder of The 66thUpdated 3 November 2026
Generative engine optimization (GEO)
Getting a brand named and recommended inside AI answers, from ChatGPT to Google's AI Overviews.
AI Overviews
The AI-written summary Google shows on some search results pages, with links to the web pages that support it.
Query fan-out
An AI search splitting one question into many smaller searches, then writing one answer from the pages those searches return.