Airport - Questions

Excuse me, do you know how can I get to the baggage claim area?

(Asking for directions)

How many bags are we allowed in flight?

What can bring inside of my carry-on bag?

(Asking for permitted and prohibited items)

What kind of documentation do I need to have with me during the flight?

I'm not sure if my bags are heavy enough for the flight, what are the size and weight limitations?