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.