The process of applying water to the lithographic plate on a lithographic printing machine.

The roller on a printing press which applies the moisture directly to the printing plate.

Printing or stamping in which dies are used to depress an image below the surface of paper or board.

A digital precision instrument used to measure the quantitative colours or density in colour work.

The measure of tonal values.

The creation of artwork and print from your computer. Requires special software and a fairly powerful PC or Apple Macintosh.

To cut paper, card or board to a particular size and design with a metal die, for packaging and display work.

A standard envelope size measuring 110mm x 220mm. They take A4 sheets, folded into three.

The basic element of halftone.

An aberration when during the making of halftone film or plates, the dots become slightly enlarged.

Coating paper or board twice on one side or both sides

Two facing pages of a publication.

A shadow behind an image or type to help bring the image forward and stand out.

The ink reservoir in a printing machine.

The prototype of a brochure or book in the correct size, layout and sometimes paper.

A photograph printed using two colours.