On this page:
14.1 Requirements
14.2 Making your tea
7.2

14 Section referencing

Cross references, I mean section references!

–A technical writer’s best friend, kind of?

@section[#:tag "requirements"]{Requirements}
The following items are required before you can start @secref["making"]:
 
...
 
@section[#:tag "making"]{Making your tea}
This section assumes you have all the items in the @secref["requirements"]
section.

14.1 Requirements

The following items are required before you can start Making your tea:

...

14.2 Making your tea

This section assumes you have all the items in the Requirements section.