# GEO & LLMO Glossary

The essential terms for understanding AI visibility, Generative Engine Optimization, and LLM Optimization. No jargon, just clear explanations.

## A

[AEO (Answer Engine Optimization)  
The practice of optimizing content to appear in AI-generated answers from tools like ChatGPT, Perplexity, and Google AI Overviews, rather than traditional search results.](/content/en/glossary/aeo/index.html)  
[AI Answer Engine  
An AI-powered tool designed to provide direct answers to user questions rather than returning lists of links.](/content/en/glossary/ai-answer-engine/index.html)  
[AI Brand Sentiment  
The tone and attitude AI tools express when mentioning your brand, ranging from enthusiastic recommendation to neutral mention to critical assessment.](/content/en/glossary/ai-brand-sentiment/index.html)  
[AI Citation  
When an AI tool like ChatGPT or Perplexity references your content as a source for information in its response.](/content/en/glossary/ai-citation/index.html)  
[AI Discovery  
The process by which users find brands, products, and content through AI-powered tools rather than traditional search engines.](/content/en/glossary/ai-discovery/index.html)  
[AI Ghosting  
When AI-powered search tools completely ignore your brand in their recommendations, even for queries where you should logically appear.](/content/en/glossary/ai-ghosting/index.html)  
[AI Mentions  
Instances where AI tools like ChatGPT, Perplexity, or Gemini reference your brand, product, or content in their responses to user queries.](/content/en/glossary/ai-mentions/index.html)  
[AI Overview (Google)  
Google's AI-generated summary that appears at the top of search results, synthesizing information from multiple sources to directly answer user queries.](/content/en/glossary/ai-overview/index.html)  
[AI Recommendation  
When an AI assistant explicitly suggests or endorses a specific brand, product, or service in response to a user query.](/content/en/glossary/ai-recommendation/index.html)  
[AI Referral Traffic  
Website visits that originate from AI tools like ChatGPT, Perplexity, or Gemini when users click links in AI-generated responses.](/content/en/glossary/ai-referral-traffic/index.html)  
[AI Search  
Search engines and tools that use artificial intelligence to generate direct answers to queries, rather than just returning a list of links.](/content/en/glossary/ai-search/index.html)  
[AI SEO  
The umbrella term for optimization practices aimed at improving visibility in AI-powered search and recommendation systems.](/content/en/glossary/ai-seo/index.html)  
[AI Snippet  
A concise AI-generated answer that appears at the top of search results, synthesized from multiple web sources.](/content/en/glossary/ai-snippet/index.html)  
[AI Source Authority  
The credibility signals that determine which sources AI systems trust and cite when generating answers, including domain reputation, expertise indicators, and content quality.](/content/en/glossary/ai-source-authority/index.html)  
[AI Traffic  
Website visits that originate from AI platform recommendations, often invisible in traditional analytics tools.](/content/en/glossary/ai-traffic/index.html)  
[AI Visibility  
How often and how positively AI tools like ChatGPT, Perplexity, Claude, and Gemini mention or recommend your brand when users ask relevant questions.](/content/en/glossary/ai-visibility/index.html)

## B

[Brand Salience (AI)  
The degree to which your brand comes to mind for AI tools when generating responses to relevant queries.](/content/en/glossary/brand-salience/index.html)

## C

[ChatGPT SEO  
The practice of optimizing your content and online presence to be mentioned and recommended by ChatGPT when users ask relevant questions.](/content/en/glossary/chatgpt-seo/index.html)  
[Claude SEO  
The practice of optimizing your content to be mentioned and recommended by Anthropic's Claude AI assistant.](/content/en/glossary/claude-seo/index.html)  
[Content Extractability  
How easily AI systems can identify, pull out, and use specific pieces of information from your content in their generated answers.](/content/en/glossary/content-extractability/index.html)  
[Conversational Search  
A search paradigm where users ask questions in natural language and receive direct answers through dialogue, rather than browsing lists of links.](/content/en/glossary/conversational-search/index.html)  
[Copilot SEO  
The practice of optimizing your content and business presence to appear in Microsoft Copilot's AI recommendations, mostly through Bing SEO.](/content/en/glossary/copilot-seo/index.html)

## D

[Digital PR for AI  
Public relations strategies specifically designed to increase brand visibility in AI-generated recommendations and citations.](/content/en/glossary/digital-pr-for-ai/index.html)

## E

[Entity Optimization  
The process of establishing your brand as a clearly defined entity that AI systems can recognize, understand, and confidently recommend.](/content/en/glossary/entity-optimization/index.html)

## G

[Gemini SEO  
The practice of optimizing your content to be recommended by Google's Gemini AI, including both the standalone Gemini app and Gemini-powered features in Google Search.](/content/en/glossary/gemini-seo/index.html)  
[Generative Search  
Search engines that use AI to generate comprehensive answers rather than returning a list of links to click.](/content/en/glossary/generative-search/index.html)  
[GEO (Generative Engine Optimization)  
The practice of optimizing your content and online presence to be recommended by AI-powered search engines like ChatGPT, Perplexity, and Gemini.](/content/en/glossary/geo/index.html)  
[Google AI Mode  
Google's AI-powered search experience that generates conversational answers instead of traditional blue links.](/content/en/glossary/ai-mode/index.html)  
[Grok SEO  
The practice of optimizing your content to be recommended by Grok, the AI assistant developed by xAI and integrated into X (formerly Twitter).](/content/en/glossary/grok-seo/index.html)

## H

[High Intent Prompts  
Questions asked to AI tools that signal someone is actively looking to buy, hire, or use a product or service, as opposed to just researching or learning.](/content/en/glossary/high-intent-prompts/index.html)

## K

[Knowledge Graph  
A structured database of entities (people, places, companies, concepts) and the relationships between them, used by search engines and AI systems to understand the world.](/content/en/glossary/knowledge-graph/index.html)

## L

[LLM Brand Tracking  
The systematic monitoring of how Large Language Models mention, describe, and recommend your brand across AI platforms.](/content/en/glossary/llm-brand-tracking/index.html)  
[LLM Hallucination  
When a large language model generates confident but factually incorrect information, including wrong brand recommendations.](/content/en/glossary/llm-hallucination/index.html)  
[LLM Ranking Factors  
The signals and characteristics that influence whether a Large Language Model mentions or recommends your brand in its responses.](/content/en/glossary/llm-ranking-factors/index.html)  
[LLM Scraping  
The process by which AI tools access, read, and extract information from websites to inform their responses.](/content/en/glossary/llm-scraping/index.html)  
[LLMO (LLM Optimization)  
The practice of optimizing content to be understood, cited, and recommended by Large Language Models like ChatGPT, Perplexity, and Gemini.](/content/en/glossary/llmo/index.html)  
[llms.txt  
An emerging standard for a text file that helps AI systems understand a website's content, purpose, and preferred way of being cited, similar to how robots.txt guides search crawlers.](/content/en/glossary/llms-txt/index.html)

## M

[Multi-Platform Presence  
Being mentioned and discussed across multiple online platforms (review sites, social media, directories, forums) rather than just your own website.](/content/en/glossary/multi-platform-presence/index.html)

## P

[Perplexity SEO  
The practice of optimizing your content to be cited and referenced by Perplexity AI, a conversational search engine that provides sourced answers.](/content/en/glossary/perplexity-seo/index.html)  
[Prompt Optimization  
The practice of identifying and optimizing for the specific AI prompts where your brand should appear as a recommendation.](/content/en/glossary/prompt-optimization/index.html)

## R

[RAG (Retrieval-Augmented Generation)  
A technique where AI models fetch real-time information from external sources before generating an answer, rather than relying solely on their training data.](/content/en/glossary/rag/index.html)

## S

[SearchGPT  
OpenAI's web search feature integrated into ChatGPT that finds and cites real-time information from the internet.](/content/en/glossary/searchgpt/index.html)  
[Semantic Completeness  
A measure of how thoroughly your content covers a topic, including all related concepts, questions, and subtopics that AI systems expect to find.](/content/en/glossary/semantic-completeness/index.html)  
[Share of Voice (SOV)  
The percentage of category mentions captured by a brand across AI tools, measuring relative visibility versus direct competitors.](/content/en/glossary/share-of-voice/index.html)

## T

[Topical Authority  
The depth and breadth of expertise a website demonstrates on a subject, influencing both search engines and AI recommendations.](/content/en/glossary/topical-authority/index.html)

## Z

[Zero-Click Search  
A search query that is answered directly on the search results page or by AI, without the user needing to click through to any website.](/content/en/glossary/zero-click-search/index.html)