## B

back buffer
  A nonvisible surface that bitmaps and other images can be drawn to while the primary surface displays the currently visible image.
back clipping plane
  The far boundary of a viewing frustum beyond which objects are not rendered. See also front clipping plane.
blend factor
  The description of how each color component is blended in texture blending.
blend mode
  The algorithm used to determine how a texture is blended with the colors of the surface to which the texture is applied.
blit
  A bit block transfer.
bounds checking
  The process of checking that an on-screen image is displayed within the bounds of the screen.