Represents the color black, a primary printing process color. Black is shown by the letter K which stands for the key plate, a printing plate that helps position and register other colors.

Adjusting (increasing or decreasing) the space between adjoining type characters.

Two adjoining type characters to which a particular kearning value is applied.

The space between two adjoining type characters. This value is usually measured in em.

Letters or numbers added to specific images or pictures on a page that link to a corresponding caption.

A line drawing that indicates the size, shape and position for elements such as halftones and type.

A printing term referring to a printing plate (usually the black plate) used as a guide to position and register additional colors.

A printing process used to "knockout" an area of the background color by a foreground object that has been masked off. The background area being masked off does not print.