Answer:
I don’t buy into the “rules of composition” stuff.
Instead of “rules” of composition I think of “elements” of composition.
Everything we do as photographers is an element of composition.
Controlling tonality is the most important to me. After controlling tonality none is more important than another, however there are some foundational ones we can begin to practice with.
Here they are. Look at the “Being A Photographer” section.
https://samdamico.com/online-photography-tutorials-main-page/#being-a-photographer