Glossary, Continued
L (Continued)
LEAF— A single sheet that includes both sides.
LEAK— An accidental escape of fill color or texture from an objector shape
not completely enclosed by pixels.
LENS— Optical glass components arranged in a formation that creates a focal
point at a specific distance from a screen.
LENS DIAPHRAGM— Controls the amount of light allowed to reach the
film.
LEGEND— A description of any special or unusual marks, symbols, or line
connections.
LENTICULAR SCREEN— A projection screen with a surface patterned to
reflect a projected image with minimum glare.
LETTERHEAD— (1) The printed matter, usually the name and address of a
company, at the head of a sheet of letter-quality paper; (2) A sheet of paper
bearing a letterhead.
LETTERING— Letters and words formed or printed by hand.
LETTERPRESS PRINTING— A printing process in which the raised, inked
surfaces of the type and/or plates transfer an impression directly to the paper.
LETTER-QUALITY PRINTER— A printer that imitates letters with
resolution similar to a typewriter.
LETTERSPACING— Placing additional space between the letters of words
to expand the length of a line or to improve and balance typography.
LIFT METHOD— (1) The process of using laminate material to remove or
lift an image from clay-coated stock; (2) scanning text or graphics onto disk
for importation to another application.
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