jacket : Sometimes used as another term for dust jacket, a protective and often decorative wrapper, usually made of paper which wraps around the binding of a book

bumping : Indicates that the affected part of the book has been impacted in such a way so as to cause a flattening, indention, or light bending.

chipping : A defect in which small pieces missing from the edges.

first thus : Indicates that this is not the first appearance of a book in print, but that this is the first appearance in a substantially different format than the true first edition. For example, a first illustrated edition of a book, or even a first paperback release of a book originally published in hard cover.

hinge : The portion of a book near the spine that is intended to flex to allow the book to open.