CMYK
Stands for the colors Cyan-Magenta-Yellow-Black. In print design, colors are defined as a percentage of each of these 4 colors. For example, the CMYK abbreviation for the color black would be 0-0-0-100. In contrast, display devices (i.e. computer monitors) typically define colors using RGB.
Compression
A method of packing data in order to save disk storage space or download time. JPEGs are generally compressed graphics files. Compression is a technique to make a file or a data stream smaller for faster transmission or to take up less storage space.
Creative
Standard term for a banner advertisement; can refer to the design or format of a banner. It can also refer to the process of creating a design.
Camera ready
Artwork or pasted up material that is ready for reproduction. Cap line - an imaginary line across the top of capital letters. The distance from the the cap line to the baseline is the cap size.
Coated
Printing papers which after making have had a surface coating with clay etc, to give a smoother, more even finish with greater opacity.
Colour separations
The division of a multi-coloured original or line copy into the basic (or primary) process colours of yellow, magenta, cyan and black. These should not be confused with the optical primaries; red, green and blue. Column inch - a measure of area used in newspapers and magazines to calculate the cost of display advertising. A column inch is one column wide by one inch deep.
Contrast
The degree of tones in a photograph ranging from highlight to shadow.
Clip art
Ready-made artwork sold or distributed for clipping and pasting into publications. Available in hard-copy books, and in electronic form, as files on disk.
Crop marks
On a mechanical, horizontal and vertical lines that indicate the edge of the printed piece.
Condensed (type)
A narrow, elongated typeface.
Cropping
For artwork, cutting out the extraneous parts of an image, usually a photograph.
Choke
In commercial printing, a form of trapping created by extending the background object into the foreground object.
Cyan
One of four standard process colors. The blue color.
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