||Tracks information on the contact that creates or modifies an object.
||Specifies classes that allow tracking of changes and information on
user permissions to view the data and annotation.
||A contact is either a person or an organization.
||Organizations are entities like companies, universities, government
agencies for which the attributes are self describing.
||A person for which the attributes are self describing.
||Permission information for an object as to ownership, write and read
||Groups contacts together based on their security privileges.