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● Glossary · Knowledge hub

SEO & AI Search glossary.

24 definitions covering classic SEO, AI search optimization, programmatic SEO, Core Web Vitals, and digital growth · engineered to be cited by ChatGPT, Perplexity, Gemini, and Claude.

TL;DR
A complete glossary of SEO and AI search terminology · AEO, GEO, pSEO, schema, Core Web Vitals, Knowledge Graph, E-E-A-T, and more. Every entry is a verbatim-quotable answer block engineered for AI engines.
AI Search

AI Search

AI Search
AEO
Answer Engine Optimization

The practice of structuring content so AI answer engines (ChatGPT, Perplexity, Gemini, Claude, Google AI Overviews) quote it verbatim. Combines FAQ patterns, schema, entity work, and short answer blocks.

AI Search
GEO
Generative Engine Optimization

Generative Engine Optimization is the practice of making your business visible inside LLM-powered search. It includes entity SEO, citation building, structured data, and AI-readable content so engines cite your brand by name.

AI Search
Knowledge Graph
Google Knowledge Graph

Google's database of entities and the relationships between them. Earning a Knowledge Panel makes your brand authoritative across Search, Discover, Gemini, and AI Overviews.

AI Search
AI Overviews
Google AI Overviews

Google's generative-AI summary that appears above traditional search results. Sources cited inside AIO see significant click and brand impact. Optimize with FAQ schema, TL;DR blocks, and topical authority.

AI Search
ChatGPT Search
OpenAI ChatGPT Search

OpenAI's GPT-powered search experience that surfaces and cites sources inline. Entity consistency and authoritative citations are the biggest ranking levers.

AI Search
Perplexity
Perplexity AI

Answer engine that returns sourced summaries with inline citations. Rewards depth, recency, and structured content · long-form authoritative pages outperform thin ones.

AI Search
Citation
Brand Citation

A mention of your brand on an authoritative third-party site (or by an AI engine). Two types: (1) traditional NAP citations on directories, (2) AI citations inside ChatGPT/Perplexity answers.

AI Search
TL;DR Block
Too Long; Didn't Read summary

40-60 word answer block at the top of every page, designed to be quoted verbatim by AI engines. The single highest-leverage GEO pattern.

AI Search
llms.txt
LLMs.txt protocol

Proposed standard for telling AI crawlers what content to ingest. A curated, plaintext index that helps LLMs find your most important content.