A structured, well-defined specification for a proposed change.
A related object - the Statistical Need - is a change expression as it has been received by an organization. A Statistical Need is a raw expression of a proposed change, and is not necessarily well-defined. A Change Definition is created when a Statistical Need is analyzed by an organization, and expresses the raw need in well-defined, structured terms.
A human-readable identifier for the object
A human-readable description of the object