A window or application whose purpose is to give the user the control over some aspect of the system.
An administrator, for a singer or group.
A person whose job is to manage something, such as a business, a restaurant, or a sports team.
The head coach.
A device that installs or controls a software program in some other machine.
One who decides which programs will be shown on a television station, or which songs will be played on a radio station.
One who writes computer programs; a software developer.