Indicates the kind of the entry
Occurs in Artifact Entry, Relationship Target Entry, Relationship Type Entry, and Property Entry documents, except as noted below.
Legal values for the term attribute are
Indicates entry is part of a Derived Model
Indicates entry is pre-defined and is part of the SOA or Service Implementation Models or is part of an extended artifact model
Indicates entry is ad-hoc
Does not occur in Artifact Entry documents.