Data Entity

An encapsulation of data that is recognized by a business domain expert as a thing. Logical data entities can be tied to applications, repositories, and services and may be structured according to implementation considerations. A data entity is a collection of data about something that the business terms important and worthy of capture.

Data Object

A boundary zone that encapsulates related data entities to form a logical location to be held; for example, external procurement information.

Deliverable

A precisely-defined outcome of a work package.