Glossary of Terms

20 definitions covering AEO, GEO, AI visibility, and the terminology behind AI-powered search optimization.

A

AEO

Answer Engine Optimization — The practice of optimizing content to appear prominently in AI-generated answers and responses.

Answer Engine

An AI system that generates direct answers to user queries rather than returning a list of links. Examples: ChatGPT, Claude, Perplexity, Gemini.

B

Brand Sentiment

The overall tone (positive, neutral, negative) with which AI engines discuss your brand in their responses.

C

Citation

A reference to an external source that an AI engine includes in its response, either as an inline link, footnote, or attribution.

D

Domain Authority

A metric of your website's overall trustworthiness and credibility based on backlink profile, age, and content quality — influences AI visibility.

E

E-A-T

Expertise, Authoritativeness, Trustworthiness — Google's quality framework that also strongly influences how AI systems evaluate and cite content.

F

First Mention

When your brand is the first one named in an AI response — the most valuable position for visibility and recall.

G

GEO

Generative Engine Optimization — Strategies for improving brand visibility and representation in generative AI systems like ChatGPT, Claude, and Gemini.

Grounding

The process by which AI engines connect their responses to real-world sources and facts, often through retrieval-augmented generation (RAG).

L

Listed Mention

When your brand appears in a list alongside competitors, typically with less emphasis than a first or prominent mention.

LLM

Large Language Model — The foundational AI technology behind chatbots like ChatGPT, Claude, and Gemini that powers natural language understanding and generation.

M

Mention Positioning

The location and prominence of your brand within an AI response — can be first mention (most valuable), prominent mention (medium), or listed mention (lower value).

P

Prominent Mention

When your brand is featured in a key position (introduction, recommendation, or highlighted section) of an AI response.

Q

Query Cluster

A group of semantically related queries that users might ask AI engines about your brand, product category, or industry.

R

RAG

Retrieval-Augmented Generation — A technique where AI systems retrieve relevant documents before generating responses, improving accuracy and citations.

S

SERP

Search Engine Results Page — Traditional Google search results. Different from AI responses but related to overall online visibility strategy.

Share of Voice

The percentage of AI responses that mention your brand compared to competitors for a given set of queries or topics.

T

Topic Authority

Your recognized expertise in a specific domain or subject area — established through comprehensive content, expert authorship, and consistent publishing.

Training Data

The corpus of text and information that AI models learn from. Your content in training data influences how AI systems represent your brand.

V

Visibility Score

A 0-100 metric that quantifies how prominently your brand appears across AI engines, factoring in mention frequency, positioning, and sentiment.

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