• A digital image made up of a rectangular grid of small, usually square, colored units called pixels. Unlike vector graphics, which use mathematical formulae to describe shapes and lines, raster images store the exact color of each pixel, making them ideal for photographs and images with complex colors and details. Raster images are characterized by their dimensions (width and height in pixels) and color depth (the number of bits per pixel). They can be displayed on computer displays, printed on paper, or viewed on other media, and are stored in various image file formats. Most computer images are stored in raster graphics formats or compressed variations, including JPEG, PNG, and GIF. ← Wikipedia

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