The media expansion editor provides a means to record a textual description of the media type in a large-quantity text field, along with information regarding how the media type is used in other functional areas.

The loan days field provides a means to specify a default number of days for which any Item of this media type should be circulated. Normally however, a duration is already specified by the Circulations Profile records. If a specific duration is not required for this media type, set the 'Loan Days' field to 0.