> For the complete documentation index, see [llms.txt](https://docs.datasaur.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.datasaur.ai/data-studio-projects/nlp-task-types/document-based.md).

# Document Based

**Document labeling** allows you to label entire documents at once. This is useful when answering questions about documents, such as `.pdf`, or when classifying images.

<figure><img src="/files/pFm2NgzlIVXQGQBDsLn7" alt=""><figcaption></figcaption></figure>