A prewritten program that's sold to perform a common task is called an application.
A prewritten program that's sold to perform a common task is called an Package application.
A Dictionary of Computing. application package (software package) A collection of programs or modules that is directed at some generic application and can be tailored (perhaps with some additions) to the needs of a specific instance of that application. "application package."
The Application Packaging Standard (APS) is a standard that defines a technology for integrating application software with hosting platforms. Integration of an application with hosting platforms is implemented by creating an APS package for this application, and APS package deployment creates an APS application.