FREI

The city of a comic issue, comic series or a whole collection

The city where the location of a comic issue, comic series or a whole collection is

FREI means, that the collection is located in Freising, Germany.

Room

Usually the syntax is followed by the exact room, for example Office room = AR

Book shelf

The book shelf followes a numeric numbering, for example 01, or 02.

The shelf

The correct shelf is ordered by letters, for example A, B or C. The top shelf is starting with A, the second below that with B, and so on.