Besides the model that an IDEF0 diagram belongs to, you can also describe other important information about the diagram in its diagram properties.
To open diagram properties, right-click on the diagram workspace and select Diagram Properties or select Edit, Diagram Properties.
Diagram Status
Select the diagram status: Working, Draft, Recommended, or Publication.
Diagram Text
Add a textual description of the diagram itself.
Provide any notes on the diagram in this textual field.
C-Number
A C-Number is a chronological creation number which can be used as a unique identifier for a diagram and as a means of tracing the diagram's history. You can also use it as a Detail Reference Expression to specify a particular version of a diagram. The C-Number is made up of the author's initials plus a unique diagram number.
Revision
Enter the revision number of this diagram, if it has one.
Reader
Enter the reader of this diagram, or corresponding report that will be generated reflecting the information on this diagram. The reader is the one who has reviewed the diagram and made any changes.