1) Computer monitor image 2) Computer screen lines 3) Computer-screen pattern 4) CRT scan pattern 5) Display pattern 6) Formation 7) Lines on a screen 8) Parallel-lines image on TV 9) Pattern on a TV screen 10) Scan lines on a TV screen 11) Scan-line pattern 12) Set of horizontal lines 13) Tv pattern 
pattern of parallel lines or grid used in certain scanning devices
a predetermined regular pattern of scanning lines that provides substantially uniform coverage of an area of the screen or targeta predetermined pattern of scanning lines that provides substantially uniform coverage of an area
The series of lines of information such as the parallel and horizontal scan lines that form a television or video display image
The series of lines of information such as the parallel and horizontal scan lines that form a television or video display image. 
[n] - formation consisting of the set of horizontal lines composed of pixels that is used to form an image on a CRT
noun the rectangular formation of parallel scanning lines that guide the electron beam on a television screen or a computer monitor
The overall area that is scanned by the electron guns.