2012

Table Of Contents
block constraint parameter A dimensional constraint that has block authoring
information associated with it.
See also: dynamic constraint
See also: annotational constraint
block definition The name, base point, and set of objects that are combined
and stored in the symbol table of a drawing. See also block and block reference.
block definition table The nongraphical data area of a drawing file that stores
block definitions. See also named object.
block instance See block reference.
block properties table A table that enables users to define different values
for a set of properties for the block definition. Replacement for lookup
properties in the future.
block reference A compound object that is inserted in a drawing and displays
the data stored in a block definition. Also called instance. See also block and
block definition. (INSERT)
bounded area A closed area that consists of a single object (such as a circle)
or of multiple, coplanar objects that overlap. You can insert hatch fills within
bounded areas.
button menu The menu for a pointing device with multiple buttons. Each
button on the pointing device (except the pick button) can be defined in the
customization file (acadlt.cuix).
BYBLOCK A special object property used to specify that the object inherits
the color or linetype of any block containing it. See also BYLAYER.
BYLAYER A special object property used to specify that the object inherits
the color or linetype associated with its layer. See also BYBLOCK.
candela The SI unit of luminous intensity (perceived power emitted by a
light source in a particular direction) (Symbol: cd). Cd/Sr
cell The smallest available table selection.
cell boundary The four gridlines surrounding a table cell. An adjacent cell
selection can be surrounded with a cell boundary.
cell style A style that contains specific formatting for table cells.
circular external reference An externally referenced drawing (xref) that
references itself directly or indirectly. The xref that creates the circular
condition is ignored.
Glossary | 1521