screen overlay[¦skrēn ′ō·vər‚lā]
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.
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.