foreground -
(computer science) a window for an active application
window a framework of wood or metal that contains a glass windowpane and is built into a wall or roof to admit light or air
crt screen,
screen a protective covering consisting of netting; can be mounted in a frame; "they put screens in the windows for protection against insects"; "a metal screen protected the observers"
foreground -
the part of a scene that is near the viewer
foreground -
move into the foreground to make more visible or prominent; "The introduction highlighted the speaker's distinguished career in linguistics"