Specify where the time period field should be used.
From the section settings dialog you are able to enter a value for the Objective Time Period Field
setting.
The following choices are available:
The Never displayed
value indicates that the field is not used.
The Optional from the Edit dialog
value indicates that the field is optional from the Edit dialog.
The Display on Edit dialog
value indicates that the field is displayed on the Edit dialog.
The Always displayed
value indicates that the field is displayed on the Edit dialog and on the form.