CALL NUMBER: A group of letters and/or numbers that identifies a specific item in a library. You need the call number to locate an item.
CHECKED OUT: Borrowed by another user. It means that the item is not in the library.
REFERENCE: It is shelved in the reference area and can only be used in the library.
RESERVES: On Reserve at the Circulation Desk. It can be borrowed and used in the library for a certain period of time.
STACKS: If the item location is STACKS or EDUCATION and the status is Available, you can retrieve the item from the shelf yourself and check it out.