> For the complete documentation index, see [llms.txt](https://ciusji.gitbook.io/sheenflow/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ciusji.gitbook.io/sheenflow/concepts/assets.md).

# Assets

> An **asset** is an object in persistent storage, such as a table, file, or persisted machine learning model.

## TOC

* [Software-Defined Assets](/sheenflow/concepts/assets/asset-observations.md)
* [Asset Materializations](/sheenflow/concepts/assets/asset-materializations.md)
* [Asset Observations](/sheenflow/concepts/assets/asset-observations.md)
* [Graph-Backed Assets](/sheenflow/concepts/assets/graph-backed-assets.md)