Content Types in SharePoint all you to do awesome things like multiple forms in one List or Document Library.
Free Solutions Architect Training:
https://www.untethered365.com/freetraining?source=spconttypes
00:15 "Add Column" Problem
01:30 Create Content Type
03:10 Checking our content type
04:02 Free training
04:32 Document template
08:10 Final surprise