documentation of "my system" using documatic

I'm looking for information, suggestions, video (courses) on make a lot more use of the documatic system already built into Cache,

Probably talked of before within this forum, but after an hour or two of searching, can't find the articles that I mmay have seen before.

I want to do a lot more documenting of my installation, we use and actively comment classes and methods, but I want to take it further by actually documenting the "why" and high level "how" my system works. Documatic seems a good place to put that knowledge.

This may, but probably not after your suggestions, involve creating a class called "howMySystemWorks", starting the documentation within documatic, but then by using various tricks, turn that in to the Wiki of "my system"

Suggestions, ideas,