Definition of control

An object that enables user interaction or input, often to initiate an action, display information, or set values.

1. Authority that may be less than full command exercised by a commander over part of the activities of subordinate or other organizations. 2. In mapping, charting, and photogrammetry, a collective term for a system of marks or objects on the Earth or on a map or a photograph, whose positions or elevations (or both) have been or will be determined. 3. Physical or psychological pressures exerted with the intent to assure that an agent or group will respond as directed. 4. In intelligence usage, an indicator governing the distribution and use of documents, information, or material.