Usage is a special field based on PicklistSingle. It is the recommended field type to be used when you want to define a term’s usage.
If a field is of type Usage, each possible picklist value is assigned to a global usage status
Preferred
The term will appear as positive and recommended in Manage Grid and in TermTiger Search
Admitted
The term will appear as allowed in Manage Grid and in TermTiger Search
Deprecated
The term will appear as negative and forbidden in Manage Grid and in TermTiger Search
Undefined
The term will appear as neutral without any usage information in Manage Grid and in TermTiger Search
