Usage is a special field based in 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
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Admitted
The term will appear as allowed in Manage Grid and in TermTiger Search
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Deprecated
The term will appear as negative and forbidden in Manage Grid and in TermTiger Search
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Undefined
The term will appear as neutral without any usage information in Manage Grid and in TermTiger Search
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