As we pretty much agree there are various kinds of these questions. Let'S call them numerical:
I don't understand Rule X on [Topic]. How does it work?
I know there's a rule for [Topic] ([at Location]). What is it?
I have no clue if there are rules on [Topic]. What are they?
I can't find the rule for [Topic]. Where is it?
Type 1 is pretty much the bread and ...