Use the navigation pages to find a definition or a translation of a library term.

HOW TO USE THIS GUIDE
Many library terms can mean different things in different contexts. For example, circulation could refer to the flow of blood in the body. In a library, it refers to the activity of lending books, or the desk where this activity takes place. This guide directs you to the library-specific meaning of these terms. It also provides you with translations of the terms in four languages.