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Graphic Communications Terms Glossary

Jog                                                                          Live Matter
 To align the edges of a pile of paper by hitting or shaking against a flat   The vital parts or elements of a printed piece which must not be
 surface.                                                                     trimmed off.
                                                                             Loupe
                    K                                                         A fine lens built into a small stand. Used to inspect type, dotgain,
                                                                              color, film, proofs, plates and final printed pieces.
K
 Abbreviation for black in four-color process printing.                                          M
Key Plate
 Negative or plate that prints the most detail (usually black) and to        M
 which other plates are aligned.                                              The abbreviation for magenta in the four-color process.
Keyline                                                                      Magenta
 A guide to a printing job used before digital desktop publishing. All        One of the three subtractive primary colors of process printing. It is
 the key elements such as type or illustrations were pasted up on an          commonly called “process red.”
 artboard to indicate size and position. See also “paste-up.”                Makeready
Kilobyte                                                                      The process of setting up and adjusting a printing press for a
 K, Kb or KB. A unit of measuring digital information which equals            particular ink, paper and set of printing conditions prior to a press
 1024 bytes.                                                                  run. Also, the paper used during these adjustments.
Kiss Cut                                                                     Margin
 To die cut the top layer but not the backing of self-adhesive paper.         The blank space around the edge of the image area of a page.
Kiss Impression                                                              Markup Language Encoding
 Lightest possible impression that will transfer ink to a substrate.          (1) A computer markup language is a means for describing, for an
Knife                                                                         electronically stored document , the complete positioning, format
 In folding machines, the three or four blades at different levels            , and style of text and image segment representations within the
 and at right angles to each other that force the paper between the           document. When combined with textual representation, it is a
 folding rollers. The sheet of paper is pushed from one knife folding         means for achieving fully formatted text . When combined with
 mechanism to the other until the desired number of folds have been           relevant image information about document graphics material, it
 made.                                                                        may be a means of archiving fully reversible compression of the
Knock Out                                                                     document . An example of a markup language is SGML (Standard
 To clear an area of absolutely every printing dot; or to outline an          Generalized Markup Language) that has been adopted by the United
 image and drop out all dots surrounding it.                                  States Government and by many publishers as a pseudostandard.
                                                                              (2) Markup. Text that is added to the data of a document in order to
                    L                                                         convey information about it.
                                                                             Master
Lacquer                                                                       To etch pits (tracks) into the Glass Master (acts like a negative) from
 A clear resin/solvent coating, usually glossy, applied to a printed sheet    which a CD-ROM “stamper” is made.
 for protection or appearance.                                               Mastering/pressing CD-ROMs
Laminate                                                                      Preparation of compact discs (CDROM) from supplied materials.
 To bond a plastic film by heat and pressure to a printed sheet for          Mechanical Binding
 protection and appearance.                                                   Clasping individual sheets together with plastic, small wire, or metal
Lap Register                                                                  rings. Two examples are three-ring binding and spiral binding.
 Register where ink colors overlap slightly.                                 Megabit, Mb
Leading                                                                       One million bits.
 (ledd-ing) The linespace, or white space, between lines of copy,            Megabyte, MB
 measured in points.                                                          One million bytes.
Letterpress                                                                  Metameric Colors
 A method of printing where the wrong-reading raised surface of a             Colors that can change their perceived hue depending on the different
 printing plate is inked and impressed directly onto the paper. There         lighting conditions.
 are four types of letterpress presses; platen, flatbed cylinder, rotary     Metric System
 and belt.                                                                    A decimal system adopted by most countries for solid, liquid and
Line Copy                                                                     distance measurements.
 High contrast images or type without shading which do not require           Midtone
 halftone screening.                                                          The tonal values of an image that fall midway between the highlight
Lithography                                                                   and shadow dots.
 Method of printing using plates whose image areas attract ink and           Misregister
 whose non-image areas repel ink. The images are first printed onto a         Printed images that are incorrectly positioned, either in reference to
 rubber blanket and then offset to paper.                                     each other or to the sheet’s edges.

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