2004

Glossary | 851
fence A multisegmented line specified to select objects it passes through.
fill A solid color covering an area bounded by lines or curves. (FILL)
filters See coordinate filters.
fit points Locations that a B-spline must pass through exactly or within a fit
tolerance. See also interpolation points and approximation points.
fit tolerance The setting for the maximum distance that a B-spline can pass for each
of the fit points that define it.
floating viewports See layout viewports.
font A character set, comprising letters, numbers, punctuation marks, and symbols
of a distinctive proportion and design.
freeze A setting that suppresses the display of objects on selected layers. Objects on
frozen layers are not displayed, regenerated, or plotted. Freezing layers shortens
regenerating time. See also thaw. (LAYER)
front faces Faces with their normals pointed outward.
geometry All graphical objects such as lines, circles, arcs, polylines, and dimensions.
Nongraphical objects, such as linetypes, lineweights, text styles, and layers are not
considered geometry. See also named object.
graphics area See drawing area.
graphics screen See drawing area.
graphics window See AutoCAD window and drawing area.
grid An area covered with regularly spaced dots to aid drawing. The spacing between
grid dots is adjustable. Grid dots are not plotted. See also grid limits. (GRID)
grid limits The user-defined rectangular boundary of the drawing area covered by
dots when the grid is turned on. Also called drawing limits. (LIMITS)
grip modes The editing capabilities activated when grips are displayed on an object:
stretching, moving, rotating, scaling, and mirroring.
grips Small squares that appear on objects you select. After selecting the grip, you
edit the object by dragging it with the pointing device instead of entering commands.
handle A unique alphanumeric tag for an object in the AutoCAD database.
home page The main navigating screen for a Web site.
HDI For Heidi Device Interface. An interface for developing device drivers that are
required for peripherals to work with AutoCAD and other Autodesk products.
HLS For hue, lightness, and saturation. A system of defining color by specifying the
amount of hue, lightness, and saturation.
i-drop A method by which a drawing file can be dragged from a Web page and
inserted into another drawing.
IGES For initial graphics exchange specification. An ANSI-standard format for digital
representation and exchange of information between CAD/CAM systems. See also
ANSI.
grid limits