An instruction sent via mobile phone to perform a certain action on Windows Live, such as updating a status message, or to retrieve information, such as a list of the day’s events).
— Computer Science1. The authority that a commander in the armed forces lawfully exercises over subordinates by virtue of rank or assignment. 2. An order given by a commander; that is, the will of the commander expressed for the purpose of bringing about a particular action. 3. A unit or units, an organization, or an area under the command of one individual.
— USA Army