> For the complete documentation index, see [llms.txt](https://knowledgebase.fabricdata.com/studio/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://knowledgebase.fabricdata.com/studio/core-concepts.md).

# Core Concepts

- [What is a Record?](https://knowledgebase.fabricdata.com/studio/core-concepts/what-is-a-record.md)
- [What is Metadata?](https://knowledgebase.fabricdata.com/studio/core-concepts/what-is-metadata.md)
- [Record Worktype](https://knowledgebase.fabricdata.com/studio/core-concepts/record-worktype.md)
- [Relationships & Hierarchies](https://knowledgebase.fabricdata.com/studio/core-concepts/relationships-and-hierarchies.md)