For example, your leader may want only the grenadier to fire at a target. He may also want him to fire only three rounds. Command to Fire. This tells you when to fire. It may be an oral command, or a sound or visual signal.
Visual signals are the most common means of giving fire commands.
He may use flares and smoke grenades to mark targets in most conditions of visibility. Watch your leader and do as he does. He may use tracers to point out targets.