boards : Common term for the covers of a hardbound book.

gilt : Decorative patterns imbedded into the affected portion of a book. Often appears on the boards or the spine, and may be very simple, to elegant, to ludicrous.

As New : "the book is in the same immaculate condition in which it was published. There can be no defects, no missing pages, no library stamps, etc., and the dust jacket (if it was issued with one) must be perfect without any tears." Condition definition from AB Bookman's Weekly.

Cloth : Generally refers to a hardcover with cloth covering the outside of the book covers.