Reference · GlossaryEmbedding indexStored vectors for chunks — built once, queried at retrieval time.On this pageWhen to useWhen not toExample#When to useWhen the term shows up in labs, architecture docs, or API docs for AI apps.#When not toWhen a simpler word (prompt, chat, search) is enough for your audience.#ExampleSee the linked lesson for an interactive walkthrough.Learn by doing → Learn by doing →Related termsEmbeddingVector database← All terms