In telecommunication, command and control (C 2 ) is the exercise of authority and direction by a properly designated commander over assigned and attached forces in the accomplishment of the mission. Command and control functions are performed through an arrangement of personnel, equipment, communications, facilities, and procedures employed by a commander in planning, directing, coordinating, and controlling forces and operations in the accomplishment of the mission.
... also a reproductive function in the male, as a passage for sperm.
The external urethral sphincter is the skeletal muscle that allows voluntary control over urination. ...