Which way is the best to build a menu to those my needs? So many possibilities... (new to TikiWiki)
After some search I finaly found the screen from your screenshot. Modules -> Add Module -> ModuleName = Menu. That was the missing link.
Unfortunately, it seems like the menu created uses the method from "Menu" functionality, i.e. it is only capable of 2 levels. My structure uses more levels and so the resulting menu is a mess, not usable. I'm using Tiki 21 LTS.
If I used a {toc} in a custom menu, it would not be foldable, right (did not try yet)?
;){kind=link}
;){kind=link}