application

n.A request, usually submitted in written form.ComputingA piece of software that performs a function; a computer program.The act of applying or superimposing.

Notes

Applications2 are often distinguished from the underlying operating system. The former are intended to support the work of the human users, while the latter supports the computer's internal processes. Applets are small applications that are designed to perform a specific function in a web browser to support client-side processing. - Application3 includes the physical, such as a coating on a surface, as well as the intangible, such as the practical use of a theoretical model.