500 sheets of paper of the same size, quality and grammage.

A continuous length of paper wound on a core, irrespective of diameter, width or weight.

Ability of paper or board to reflect light, a measure of gloss.

The accurate positioning of images on a sheet using register marks.

A set of fine line crosses or other suitable devices added to original artwork to provide reference points for accurate subsequent multi-colour printing or finishing.

Printing method using a raised image, e.g. letterpress or flexography.

Pre-press camera work, scanning and film make-up.

The efficiency of a computer graphic in reproducing fine detail.

Methods of altering the image on a computer or physical artwork, photography to change or alter an image.

White text (or coloured) reversed out of a background of solid colour.

Raster Image Processing. Making the dots that make up a halftone from a page description language such as postscript.

The ability of a paper or board to perform on a printing press without problems.