An application (program), especially a small one designed for a mobile device.
application (to a college etc.)
appetizer
an appearance in a game (e.g., a player with 10 apps in a season played 10 times)
application (use, purpose; not a computer program)
A complete piece of software. A set of instructions for a computer. This term can refer to either the executable form that a computer can execute (executable code) or the human readable form (source code). (Several programs, each of which does a task, can be collected as a software package or suite).