An occluded front occurs when a cold front overtakes a warm front at the surface and a temperature contrast exists between the advancing and retreating cold air masses
A window is occluded if some other window occludes it Window A occludes window B if both are mapped, if A is higher in the global stacking order, and if the rectangle defined by the outside edges of A intersects the rectangle defined by the outside edges of B Note the distinction between occludes and obscures Also note that window borders are included in the calculation and that InputOnly windows never obscure other windows but can occlude other windows
In the Curses Screen Management package, when the area of one defined window overlaps the area of another defined window on the terminal screen See also Curses