command
nounUK /kəˈmɑːnd/
US /kəˈmænd/
An order that tells someone or something what to do.
The dog sat down when it heard its owner's command.
OTHER MEANINGS
2. In computing, a word or instruction typed to make a computer do something.
She typed a command to open the file.
3. The ability to control or be in charge of people or a situation.
The captain was in command of the ship.
4. To order someone to do something.
The general commanded his soldiers to stand still.
5. A great knowledge or mastery of something.
He has a good command of three languages.