These are words for the act of asking for something.
Arequestis an act of politely or officially asking for something.
Her request for information was denied.
Anapplicationis an official request for something, usually made in writing or by sending in a form.
His application for bail was granted.
Anappealor acallfor something is a serious or formal request, especially to the public.
The leader made an appeal for unity.
With calls for action mounting, policymakers are beginning to pay attention.
Ademandis a forceful request, made in a way that shows you expect to get what you want.
We will never give in to terrorists’ demands.