Glossary – Key terms around AI visibility
Key terms around AI Visibility and visibility in AI systems – simply and clearly explained.
AI Visibility
The visibility of a brand in responses from AI systems like ChatGPT, Perplexity or Copilot.
LLM Visibility
The measurability of how often and in what context a brand appears in Large Language Model responses.
GEO (Generative Engine Optimization)
The optimization of content for AI systems – the counterpart to SEO for generative AI.
RAG (Retrieval-Augmented Generation)
An AI architecture that combines language models with real-time search to deliver current and sourced answers.
Prompt
The input or instruction to an AI system. The wording determines which brands appear in the response.
AI Overview
AI-generated summaries that Google displays above classic search results.
Zero-Click Search
Search queries where users get the answer directly in the search results – without clicking on a website.
E-E-A-T
Experience, Expertise, Authoritativeness, Trustworthiness – Google's framework for evaluating content quality.
ChatGPT Visibility
Whether and how a brand is mentioned and recommended in ChatGPT responses.
Go deeper
Want to not just define the topic but understand it in practice? Start with the pillar page on LLM Visibility.
To the pillar page: LLM Visibility