Glossary

Application File

A computer file saved from within a software application can be opened correctly only from within that application.

Bleed

Describes the effect of an image printed right to the edge of the printed sheet.

CMYK

Cyan (Blue), Magenta, Yellow, Black: The four colours used in process printing.

CRC

Camera ready copy that can be scanned or photographed without alteration.

Leaf

A sheet of paper in a finished book or idem

Litho

Short for offset litho. A mechanical printing method using specially prepared plates to transfer an image via a rubber blanket to the paper.

NCR

Non-carbon reproducing. Paper often thin and coloured, designed to be used in pads and allowing a copy of whatever is written on the top sheet to be reproduced on all pages without use of carbon

OCR

Optical character recognition, describes the use of computer software to convert scanned text into text editable from within word processing software.

Offset

(See litho)

Original

Existing printing of prepared piece of flat art work to use as CRC or as the basis for preparing CRC

Page

One side of a leaf in a printed book or item

Pagemaker

Software package for creating finished pages of text and graphics

Pantone

A patented system of defining colour by a system of numbers and a reference book

PDF

Portable document format designed and originated by Adobe. Created from an application file widely used in printing industry as a means of presenting print ready files.

Postscript File

A computer file in a form that can be printed on any printer with a postscript emulator.

Quark

Software package for creating finished pages of text and graphics.

Registration

1. Describes the accuracy of placing the image in the same place from one page to the next. 2. In four colour printing the accuracy of printing each of the colours so that the final image is sharp.

Resolution

Red, Green and Blue: Three colours used to display colour on televisions and monitors.

Show through

Describes the effect of being able to see through a sheet or paper image from the reverse side.

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