screen overlay

screen overlay

[¦skrēn ′ō·vər‚lā] (computer science) An array of cells on a video display screen that allow a user to command a computer by touching buttons displayed on the screen at the locations of the cells. A window of data that is temporarily displayed on a screen, leaving the original display intact when the window is removed. (engineering) glare filter

screen overlay

(1) A clear, fine-mesh screen that reduces the glare on a video screen.

(2) A clear touch panel that allows the user to command the computer by touching displayed buttons on screen.

(3) A temporary data window displayed on screen. The part of the screen that was overlaid is saved and restored when the screen overlay is removed.