> For the complete documentation index, see [llms.txt](https://core-keeper-modding.gitbook.io/modding-wiki/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://core-keeper-modding.gitbook.io/modding-wiki/creating-mods/common-concepts.md).

# Common Concepts

This section contains concepts that are utilized by multiple systems. They are here in one place to avoid duplicating information or having one section fall out of date.