DJ : Short for dust jacket, a protective and often decorative wrapper, usually made of paper which wraps around the binding of a book.

price clipped : The portion of the dust jacket flap where the publisher prints the suggested price has been cut away. Usually this is a clean 1-2" diagonal cut made with scissors.

Brodart : Generally used to refer to a clear plastic cover that is sometimes added to the dustjacket or outside covering of a book. The name refers to the company by the same name which produces many book repair and archival products.