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3D is three-dimensional graphics. Position of any point of the image is described with
three coordinates.
Coordinate axis is hidden line in three-dimensional space, which sets a direction of
coordinate change.
Scene is set of all types of objects and coordinate systems, which forms a separate
composition in three-dimensional graphics.
Camera is metaphorical marking of a tool for viewing of three-dimensional scene. The
area of viewing is limited to a virtual pyramid with rectangular base, it apex concurs with
the camera center.
Object is element, which has own properties and can be chosen separately.
Group of objects is temporary fixation of objects, which allows to apply operations of
positioning to group of objects, as to a single whole.
Animation is modeling of change of objects during the certain time period.
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