Some data fields don't warrant a definition and only contain a reference identification number (Ref ID). This Ref ID is used by the Fannie Mae support teams.
To view the hover text hold your cursor over the name of the data field to reveal a description and/or important information.
Some fields also contain an Additional Information Icon: Click on the icon icon to reveal details and/or important instructions over and above what the hover text provides.
For additional information review the “SMDU UI Features that Aid With Data Entry” section of the SMDU UI User Guide.