a list of pixel or bit values viewed as a horizontal row (all values having the same y coordi- nate) of an image, with the values ordered by increas- ing the x coordinate
a one pixel high row of image data whose width is the width of the image
a single horizontal row of pixels in the image
The movement of a monitor's electron gun from one side of the screen to the other results in the appearance of a horizontal line of varying intensity and colour. Typically, 200 to 1200 horizontal scan lines (lined-up vertically on top of each other) make-up the image you see on your display.
A row of pixels in a rendered image.