Or dust jacket. The paper cover sometimes known as the “dust cover” of a hardbound book.

A printing process utilizing recessed areas on a metal cylinder that contain the ink.

That is another term for gloss coated paper.

The level of tone, weight of darkness or color within a photo or reproduction which is measured by a densitometer.

The entire range of hues potential to reproduce on a specific system, like a computer screen, or four-color printing press.

Hardboard (case) covers are used for books bound.

Basis or basic weight relates to the weight, in pounds, of a ream (that is 500 sheets) of paper cut to a given standard size for that particular paper grade.