
A viewport is a polygon viewing region in computer graphics. In computer graphics theory, there are two region-like notions of relevance when rendering some objects to an image. In textbook terminology, the world coordinate window is the area of interest (meaning what the user wants to visualize) in some application-specific coordinates, e.g. mile...
Found on
http://en.wikipedia.org/wiki/Viewport

The region of the interface of a 3D software package in which the scene is displayed to the artist.
Found on
http://www.computerarts.co.uk/downloads/3d__and__animation/the_3d_world_glo
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