Setting Attribute Properties
The Properties view is the default view for the Attributes tab. For some types, certain attribute properties may be defined to display in the Properties view, allowing you to view and, in edit mode, set the attribute property for all attributes.
If no properties are defined to display on the Properties view, then only the attribute display name, data type icon, internal name, primary association constraints icon 
, and view information icon 
display. All editable attribute properties can be set from an attribute’s information page.
, and view information icon display. All editable attribute properties can be set from an attribute’s information page.