Wherever you look, there's a template for what ails ya. For template syntax, see the plugin page.
This is example text . And after that the text just continues to flow in the same paragraph.
This is example ++text | with some of it only shown when you unfold it++. And after that the text just continues to flow in the same paragraph.
This is example text:
This is example text: \\ ++++ Click here | | This table | is only shown | when you unfold the block | ++++
See the creator's page on the Diagram plugin for syntax, 'cos it's sure as hell too complicated to reproduce here.