See service genre or service expression

A core e-Framework term referring to a deployed ICT software system or program designed to carry out tasks or solve problems specific to a given use or requirement. In the e-Framework, an application can be either an application system or an application service.

Customization of a standard(s) (de facto or de jure) or specification(s) for a community. The customization may be through the specification of constraints on how features are used (or not used), through the definition of extensions, or through definitions of how elements of the standard(s) are interpreted and used within the community. Note that a standard or specification can be used as a generic term for any de facto standard, de jure standard, or specification.

A core e-Framework term referring to an application that is a service implementation. A machine-to-machine interface to the implementation of a service genre or service expression, possibly composed with infrastructure service implementations.

A core e-Framework term referring to an application deployed for end-users.