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Calendered finish Produced by passing paper through a series of metal rollers to give a very smooth surface.
Caliper The thickness of sheet of paper or board expressed in microns (millionths of a metre). Also the name of the tool used to make the measurement.
Camera Ready This is artwork or prepared desktop publishing material that is ready for printing. Camera-ready artwork is photographed and a special metal printing plate is created for the printing press.
Caps An abbreviation for capital letters.
Caps and small caps A style of type that shows capital letters used in the normal way while the body copy is set in capital letters which are of a slightly smaller size.
Caption The line or lines of text that refer to information identifying a picture or illustration.
Carbonless Paper coated with chemicals and dye which will produce copies without carbon paper. Also referred to as NCR (No Carbon Required).
Caret marks An indication to the printer of an ommission in the copy indicated as ( ) showing the insertion.
Cartridge A thick uncoated general purpose paper used for printing, drawing and wrapping.
Case bound A hardback book made with stiff outer covers. Cases are usually covered with cloth, vinyl or leather.
Cast off A calculation determining how much space copy will take up when typeset.
Cast Coating Coated paper dried under pressure against a polished cylinder to produce a high-gloss enamel finish.

CD
(CD ROM)
CDR, CDRW

 (Compact Disc). A Storage medium which holds about 650Mb of data. Can be used for Raw Data, Audio, Photographs, Video and Multimedia applications. Currently there are two versions available CDR (CD ROM) - this is a ‘WORM’ (Write Once Read Many). Once created, this product is a permanent unre-writable medium. There is also CDRW which is a re-writable version which in theory can be re-written indefinately, but in practice up to 40 times with guaranteed integrity.
Chalking A powdering effect left on the surface of the paper after the ink has failed to dry satisfactorily due to a fault in printing.
Character count The number of characters; ie letters, figures, signs or spaces in a piece of copy, line or paragraph used as a first stage in type calculations.
Check Box A ballot box tied to specific options depending on which window it appears in. You activate the check box by clicking once inside it.
Chroma Pure colour with no white or grey tones-also called hue.
CIE Lab System of describing colours according to the three characteristics of hue, lightness, and saturation. “Hue” refers to the colour lightness or darkness and “saturation” to its density.
Client A person that commissions work. In computing terms, a software program that is used to contact and obtain data from a Server software program on another computer, often across a great distance. Each Client program is designed to work with one or more specific kinds of Server programs, and each Server requires a specific kind of Client.
See: Server.
Clipboard A part of the computer’s memory designated as a temporary holding area for text and graphics. The Clipboard holds just a single item at a time (though it can be a very large item). Each successive item copied to the clipboard displaces the previous item.
Cloning A CEPS technique to exchange pixels from one area of a picture to another. Example: a window may be removed from a brick building if one area of the brick wall is placed in that area of the picture. Using this technique, blemishes can be removed and objects can be added to the reproduction. Some manufacturers call this function "pixel swapping".
CMYK Abbreviation for cyan, magenta, yellow and key (black), the four process colours. Abbreviation for Cyan, Magenta, Yellow and Key (black), the four process colours.
Coated Stock To enhance quality and printability most paper used in full colour printing is “coated”. This coating allows the paper to be printed without significant ink absorption. This lack of absorption assures that the ink doesn’t run or spread and cause blurriness or lack of contrast.
Collate To gather separate sections or leaves of a book together in the correct order for binding.
Colour Balance The amount of the three colourants (cyan, magenta and yellow) that will produce a picture with the desired colour and without an unwanted colour cast or colour bias.
Colour Bars The colour strip on proofs that is used as a guide for the printer in determining the amount, formula and density of ink needed.
Colour Cast Appearance or tendency of a colour, i.e. bluish red, pinkish blue, etc.
Colour Correction The reduction of some of the colourant in an area to compensate for the hue error inherent in a set of colourants. Process colour inks are not pure colours; but contaminated by the other two colours, having a hue error that requires compensation in separate images.
Colour Scanner Electronic piece of equipment utilising laser or other high intensity light to make colour separation negatives from reflective prints or transparencies.
Colour Separation Electronically separating a picture using the four colour process to make negatives and plates for colour printing. Full colour images require four separations: cyan, magenta, yellow and black (CMYK), or separating an image into its spot colours (red,orange PMS185 etc)
Column inch/centimetre A measure of area used in newspapers and magazines to calculate the cost of display advertising. A column inch/centimetre is one column wide by one inch/centimetre deep.
Comb Binding Plastic comb binding is inserted through a hole-punched stack.
Command An instruction you give to make the computer do something.
Common Focus In gang separating, all photos will be enlarged or reduced by the same amount.
Composite Proofs All elements of an image arranged as specified in the artwork. Electronically produced in two forms: Soft Copy, viewed on monitor; and Hard Copy, on paper or film.
Compression Squeezing redundant data from an electronic file to take up less storage space and less processing and transmission time. The two major methods are statistical (called Huffman coding) or dictionary-based (called LZW for developers Lempel, Ziv and Welch). Microsoft 6.0 has a compression utility built into it. Stuffit and Zip are examples of a compression utility program.
Condensed A style of typeface in which the characters have an elongated appearance.
Contact Print Photographic print made from a negative or positive in contact with sensitised paper, film or printing plate.
Continuous Tone The form an analogue or film-based photograph takes before being broken into discrete halftone dots for printing.
Copy A command in the Edit menu that places the selected material on the Clipboard-without removing it from its original location.
Copyright The right of copyright gives protection to the originator of material to prevent use without express permission or acknowledgement of the originator.
Coverage Amount of ink on a page or sheet, usually given in percentages.
C type A colour photographic print on paper which is sensitive to all colours of light. It is exposed from a colour negative.
Cromalin Du Pont’s proofing system in both positive and negative forms.
Crop marks Crop marks show where a page, photo or transparency is to be cut. Crop marks determine which section of a photo or transparency should be reproduced when only part of the original image is desired.
Crop To eliminate portions of copy or a photograph. On a keyline “cropmarks” indicate amount of trimming needed.
Crossover A colour reproduction that extends across two facing pages in a book or magazine and crosses over the binding.
Cursive Used to describe typefaces that resemble written script.
Cursor The arrow or other shape that moves when you move the mouse.
Cutout A halftone where the background has been removed to produce a silhouetted image.
Cyan One of the three subtractive primary colours used in process printing. It is also known as “process blue".
Cyberspace Term originated by author William Gibson in his novel “Neuromancer,” the word Cyberspace is currently used to describe the whole range of information resources available through computer networks.