# AI SEO glossary: 12 terms with usage counts

> 12 terms from AI SEO course sales pages (GEO, AEO, LLMO, AI Overviews, AI Mode and more), each with how many programs teach it. Updated September 2026.

URL: https://aiseocourse.directory/glossary/

Glossary · 12 terms · usage counts from the dataset

# AI SEO glossary

Short definitions in our words for the terms that appear on course sales pages, each with an example and a count of how many programs in the directory teach it. Entries updated 18 September 2026; counts refresh with every dataset build (18 September 2026).

-   [AEO (answer engine optimization)](/glossary/aeo/)

    AEO is shaping content so answer engines return it directly. How it differs from GEO and LLMO, and what to check in a course.
-   [AI citation](/glossary/ai-citation/)

    An AI citation is a link or named mention of your page inside an AI assistant's answer. What it means, and how courses cover it.
-   [AI Mode](/glossary/ai-mode/)

    Google's chat-style search tab, where one question fans out into many searches, and how it differs from AI Overviews.
-   [AI Overviews](/glossary/ai-overviews/)

    Google's generated summary above the classic results, the surface most AI SEO course pages name, and what to check before you buy.
-   [AI SEO](/glossary/ai-seo/)

    The umbrella term for getting a site read and cited inside AI answers, and why it tells you little about what a course teaches.
-   [Answer engine](/glossary/answer-engine/)

    A search product that replies to a question directly and cites sources, instead of handing back a list of links to work through.
-   [Entity SEO](/glossary/entity-seo/)

    Entity SEO is making machines identify your brand correctly, the identity layer beneath GEO and AEO, plus what to ask a course.
-   [GEO (generative engine optimization)](/glossary/geo/)

    Getting content cited inside AI-written answers instead of ranked in a list of links, and how it differs from SEO, AEO and LLMO.
-   [LLMO (large language model optimization)](/glossary/llmo/)

    Work aimed at getting a brand named and cited inside large language model answers, and how it differs from SEO, GEO and AEO.
-   [llms.txt](/glossary/llms-txt/)

    A plain text file at a site root that points language models at the pages you want read. Unproven, one part of crawler access.
-   [Share of answer](/glossary/share-of-answer/)

    How often AI assistants name or cite you across a set of prompts, and why a single spot check tells you nothing.
-   [Skool community](/glossary/skool-community/)

    Skool is a subscription community platform used by a chunk of AI SEO programs, and its star ratings need care.

Glossary pages are the only pages on this site that link to the encyclopedia in body text; the directory's job is which course to take, the wiki's is what the category is. Terms in use on the [AI SEO course curriculum heatmap](/heatmap/). Byline Editorial team.