1. A military unit or region under the control of a single officer.
2. A position of highest authority.
3. An authoritative direction or instruction to do something; SYN. bid, bidding, dictation.
4. Availability for use.
5. Great skillfulness and knowledge of some subject or activity; SYN. control, mastery.
6. The power or authority to command.

1. To be in command of.
2. To demand as one's due:.
3. To make someone do something; SYN. require, compel.

Done on command or request

Sentence that gives an instruction, often followed by an exclamation mark. “Stand! Now turn to the right.” The subject word is not usually used in commands, but it can be: “You go away!” “You send him to me now!”

An instruction to a computer program that, when issued by the user, causes an action to be carried out. Commands are usually either typed at the keyboard or chosen from a menu.