Here are two senses for command:
The meaning for the term command does not appear to extend to such utterances as It’s hot in here. This utterance might have the intended perlocutionary effect of getting the addressee to open a window, but it does not have that as a directive illocutionary point.
(English)
Turn off the radio, please.
Would you turn off the radio?
Hartmann, R.R.K., and F.C. Stork. 1972.Dictionary of language and linguistics. London: Applied Science.
Crystal, David. 1985.A dictionary of linguistics and phonetics. 2nd edition. New York: Basil Blackwell.