cache value n. During incremental redisplay, the cache value is used to determine whether or
not a piece of output has changed.

children n. (of a sheet or output record) The direct descendants of a sheet or an output record.

color n. 1. An object representing the intuitive definition of a color, such as black or red. 2. A
Lisp object that represents a color.

colored design n. A design whose points have color.

colorless design n. A design whose points have no color. Drawing a colorless design uses the
default color specified by the medium's foreground design.

command n. 1. The way CLIM represents a user interaction. 2. A Lisp object that represents
a command.

command name n. A symbol that names a command.

command table n. 1. A way of collecting and organizing a group of related commands, and
defining the interaction styles that can be used to invoke those commands. 2. A Lisp object
that represents a command table.

command table designator n. A Lisp object that is either a command table or a symbol
that names a command table.

completion n. A facility provided by CLIM for completing user input over a set of possibilities.

compositing n. (of designs) The creation of a design whose appearance at each point is a
composite of the appearances of two other designs at that point. There are three varieties
of compositing: composing over, composing in, and composing out.

composition n. (of transformations) The transformation from one coordinate system to an-
other, then from the second to a third can be represented by a single transformation that is
the composition of the two component transformations. Transformations are closed under
composition. Composition is not commutative. Any arbitrary transformation can be built
up by composing a number of simpler transformations, but that composition is not unique.

context-dependent input n. |Fill this in|

degrafted adj. (of a sheet) Not grafted.

descendants n. All of the children of a sheet or an output record, and all of their descendents,
recursively.

design n. An object that represents a way of arranging colors and opacities in the drawing
plane. A mapping from an (x;y) pair into color and opacity values.

device transformation n. |Fill this in|

disowned adj. (of a sheet) Not adopted.

disabled adj. (of a sheet) Not enabled.

dispatching n. (of events) |Fill this in|

display medium n. |Fill this in|