Reference

https://diataxis.fr/reference/

• References include accurate, up-to-date, comprehensive information
• Tutorials and How-To guides are led by needs of the user, Reference material is led by the product it describes
• Although reference should not attempt to show how to perform tasks, it can and often needs to include a description of how something works or the correct way to use it
• Examples of Reference material are Dictionaries, Encyclopedias or Glossaries
• Software examples of Reference material are API documentation, class documentation or function documentation