"property" key word is not properly explained in QBS docs

Documentation does not in any way explain which types you can bind to a property. Unless a programmer has QML experience and remembers that there is an explanation page there, there is nowhere for him to look for an answer.

I mean property as in :
Module

which other types can be used isn't explained. there is a couple of examples of using different stuff but neither is it centralized nor is it full