Glossary of terms

AUTHOR'S CORRECTIONS

Corrections made by the client on proofs that require alterations to copy or images originally supplied to the printer.

BLEED

A requirement where images are intended to print right up to, or extending over, the edge of a page artwork extends beyond the page on artwork to ensure there is no white paper visible when the paper is trimmed.

BINDING EDGE OR SPINE

The side of a printed document on which any binding is applied or the folded edge on an unbound item opposite and parallel to the foredge.

BOARD

As a rule, paper exceeding 190gsm is usually referred to as a board.

BOX SPINES

A type of spine used on die cut folders to give fixed capacity on pockets etc. Made up of two separate creases, a box spine has a square profile.

COATING

A coating applied to printed matter that is quick drying and protects literature from ink smuding and finger marking.

DEBOSSING

As embossing but recessed into the paper.

DIECUTTING

A finishing process whereby apertures or shaped edges can be cut in to single leaves of printed literature.

DIGITAL PROOF

A proof, produced from digital files using a digital proofing system.

DIMENSIONS

The dimensions of a printed document should be given with the height shown first, followed by the width.

DOT GAIN

A technical issue which affects the printing process where the size of the printed dot differs from that which was intended in the original design. This can affect colour values if steps are not taken to compensate for it during the origination stage.

DUMMY

An unprinted sample of a proposed job made up with the actual materials and cut to size to show bulk etc.

EMBOSSING

A process which raises areas of the paper using a metal die.

FINISHING

All operations after printing ie. cutting, folding, stitching etc., to produce the finished item.

FOIL BLOCKING

A process whereby coloured foil often metallic is selectively applied to a printed sheet. Used to reproduce line images that do not incorporate very fine detail.

FOLIO

Folios are sequential numbers used for page identification, where the outside front cover of a job is always termed folio 1 and the following pages are numbered concurrently with no allowance for blank pages, indexes or anything else which may not have a specific page number.

FOOT

The bottom edge of a printed document at right angles to the spine and opposite the head.

FONT

A set of letters, numbers and symbols that share a unified design. The design is called a typeface.

FOREDGE

The side of a printed document opposite to and parallel with the spine.

FOUR COLOUR PROCESS

Full colour printing using four constituent colours: Cyan, Magenta, Yellow and Black.

GSM

Grammes per square metre. Standard measurement of paper weight.

GLOSS COATED PAPER

An art paper which has a polished surface coating to give an even, shiny finish. Gloss papers are in essence exactly the same as matt, or silk papers, but have more pressure applied during the 'polishing' aspect of manufacture (known as calendaring) to give the smoother, more shiny finished surface.

GLOSS VARNISH

A varnish applied to printed sheet to protect against scuffing and marking, giving a gloss finish.

GRAINING

A process used to apply an overall textured finish to printed sheets using engraved granite rollers to impress the required image in to the sheet. A similar finish can be applied to specific areas of a sheet using standard embossing.

HEAD

The top edge of a document at right angles to the spine and opposite the foot.

IMPOSITION

Plans for the arrangement of the pages on the printed sheet so that they will follow in the correct sequence when folded.