A A process by which color information is interpolated across the face of the polygon to determine the colors at each pixel.
B A method of using two buffers, one for display and the other for rendering.
C The simplest mathematical representation of a mesh, but which is not widely used due to the lack of explicit face and edge information.
D A method of increasing the quality of a texture map by applying different-resolution texture maps for different objects in the same image, depending on their size and depth.