> For the complete documentation index, see [llms.txt](https://docs.navigaglobal.com/opencontent/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.navigaglobal.com/opencontent/use-and-explore/how-does-it-work.md).

# How does it work

Any digital material can be stored in Open Content using the Open Content REST-API. Open Content configuration makes it possible to group content into **Content Type (**typically : Article, Image, Page, Concept, Planning, Lists, Packages). Content from different systems can normalised into the same Content Type.

A Content object (item) consists of a primary file and a metadata file describing the the primary file.

Normally xml-metadata files are used to describe the content uploaded and properties are extracted from the meta data files using [XPATH 2.0](https://www.w3.org/TR/xpath20/) expressions.

Open Content is configured with a browser based UI or by YAML-files.

Typical use cases for Open Content are:

* Long-time archive with the  XLibris search client
* Back-end for web and mobile publishing using Naviga web
* Content repo for the Content Creation Suite


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