# Bare data

Some collections support “bare data items”, which only store metadata and do not link to artifacts or to other collections. These items are organized by category in the same way as artifacts and collections.

- Available bare data items
  - Category `debusine:historical-task-run`
  - Category `debusine:promise`
  - Category `debian:qa-result`
  - Category `debusine:task-configuration`