noun The right or authority to order, control or dispose of; the right to be obeyed or to compel obedience.
to have command of an army
noun power of control, direction or disposal; mastery.
he had command of the situation
noun A position of chief authority; a position involving the right or power to order or control.
General Smith was placed in command.
noun The act of commanding; exercise or authority of influence.
noun A body or troops, or any naval or military force, under the control of a particular officer; by extension, any object or body in someone's charge.
noun Dominating situation; range or control or oversight; extent of view or outlook.
noun A directive to a computer program acting as an interpreter of some kind, in order to perform a specific task.