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Glossary of Printing and Graphic Arts Terms - Section R
Rubylith
A clear, orange coating on an acetate base, used in preparing camera-ready artwork when one or more color will be used. Also known as an amberlith.
Resolution
The density of dots for any given output device. The unit of measurement is dots per inch (dpi).
Retouching
The process of improving/highlighting necessary details in a picture, photograph, print or drawing. The process of electronically changing an image's color, background or texture.
Rotogravure
Type of printing, utilizing an etched copper cylinder.
Random sample
A single copy of a product with a random imprint.
Referral premium
An item offered to customers for helping sell a product or service to a friend or associate.
Register marks
Cross hair marks applied to negatives, artwork, photographs or mechanicals to ensure precise register on the final product.
Registration
The correct alignment of color and other components of an imprint with each other and to the item on which they are to be imprinted. Positioning of elements in printing so their images will be located precisely as desired on the printed sheet especially with reference to applying additional colors.
Reverse
The mirror-like inversion of elements on a printing plate in relation to their order on the surface printed from it.
Reserve account
An arrangement whereby a portion of the salesperson's commission is set aside to compensate for order cancellations and invoicing adjustments.
Reverse type
Reversed type is when white lettering appears against a solid or heavily shaded black or colored background area. Reverses are hard to read and should be used sparingly.
Rule
A rule is a line of varied length or thickness. Rules can be solid, screened, or vignetted in black or colored ink.
