AMERICAN STANDARDS ASSOCIATIONAlso called ASA. See ISO
or EXPOSURE INDEX.
ANTIQUE STOCKA rough-surfaced paper, such as wove or laid.
APERTUREAn opening behind the lens that allows exposure to one frame
APPLICATION BLOCKThe part of a drawing of a subassembly,
showing the reference number for the drawing of the assembly or adjacent
ARCA portion of a curved line.
ARC LAMPA light source resulting from the application of current to two
carbon electrodes that form an electric arc.
ARCHITECT'S SCALEA scale used when dimensions or measurements
represent feet and inches.
AREA (PICTURE)The flat surface within the border of a picture.
ARROWHEADAn indicator shaped like an elongated triangle used at the
end of a lead line to direct attention to an object or a point of reference.
ARTAny copy other than text; any photograph, painting, or drawing in
line, halftone, or continuous tone.
ART BRUSHESSee BRUSHES.
ART GUMA soft, grit-free eraser used to clean drawings and remove
unwanted pencil lines.
ARTIST'S BOARDSee ILLUSTRATION BOARD.
ARTWORKIllustrations, drawings, photographs, renderings, paintings,
sketches, and copy.
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