application
1. Software that embodies the primary logic characterizing and supporting an end-user service and its features. Such an application may reside on an application server (AS) within a service provider’s network or may be a 3rd Party application outside of a service provider network.
2. Software on user devices providing something of value consumed by the end user. e.g., Microsoft Word or Firefox Web Browser or Google Maps.
3. Software that performs a specific task or function, such as word-processing, creation of spreadsheets, generation of graphics, facilitating electronic mail, etc. Synonym application software.