> [!CAUTION]
> **Caution:** This documentation is for Google Ads API **v24** . The latest active version is [**v26**](https://developers.google.com/google-ads/api/reference/rpc/latest/KeywordAnnotations).

The annotations for the keyword plan keywords.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v24/common/keyword_plan_common.proto)

| Fields ||
|---|---|
| ## `concepts[]` | `KeywordConcept` The list of concepts for the keyword. |