Glossary, Continued
P (Continued)
PROOFREADER'S MARKS—Standard marks placed in the margin nearest
the word that indicate corrections in typeset copy.
PROPORTION —The relation to size of one part or thing to another or one
portion of something to the whole.
PROPORTIONAL DIVIDERS—A drafting instrument used for transferring
measurements from one scale to another or to divide lines and circles into
equal parts.
PROPORTIONAL SPACING—Also called DIFFERENTIAL
LETTERSPACING. The spacing of characters in proportion to size by
means of the typewriters and office composing machines used in the
preparation of cold composition copy.
PROPS—Accents or accessories that identify the time frame or location of a
subject.
PROTRACTOR—A circular or semicircular rule for measuring off the
degree of an angle.
Q
R
QUILL PEN—See CROW QUILL. A pen nib made from a feature quill.
RADIAL FILL—To fill an object with color, pattern, or shade that appears
to radiate from the center of the object.
RADIATION—A divergence of lines, tones, or colors from a common point
to different directions.
RADIUS—A straight line from the center of a circle or sphere to a point on
its circumference.
RADIUS CURVE—A drawing tool used to draw arcs of a predetermined
radius.
Continued on next page
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