Glossary,
E (Continued)
Continued
EN– A measure of type equal to one half of an EM.
ENCRUSTING— Taking a video image and wrapping it around an image of
an object.
ENGINEERING DRAWING— An orthographic drawing of a piece of
equipment or of its detailed parts containing information and instructions
sufficient for manufacture.
ENGINEER’S SCALE— A scale used whenever dimensions are in feet and
decimal parts of a foot, or when a scale ratio is a multiple of 10.
ERASING SHIELD— A small, thin spring metal plate with variously sized
and shaped openings used to protect the surrounding area of a drawing while
erasing in an adjacent area.
ESSENTIAL AREA— The part of a picture that contains all of the title or
lettering intended for viewer consumption and often corresponding with the
safe title area.
EQUALATERAL— Equal angles and equal sides.
EXPLODED VIEW— A pictorial view of a device in a state of disassembly,
showing the appearance and interrelationship of parts.
EXPOSURE INDEX— The degree of light sensitivity of film.
EXPORT— The transfer of files to another software application.
EXTENSION BAR— A leg extension to a standard compass which
the diameter of a circle that the compass is able to draw.
expands
EXTENSION LINE— A line used to indicate the extent of a dimension.
EYE LEVEL— Also called HORIZON LINE. The horizontal plane at the
artist’s eye level to which that person relates linear perspective.
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