Definitions
Pixel-
Noun, a minute area of illumination on a display screen, one of many from which an image is composed.
Raster Graphics
Raster Graphics are digital images created or captured (for example, by scanning in a photo) as a set of samples of a given space.
Vector Graphics
Vector graphics is the use of geometrical primitives such as points, lines, curves, and shapes or polygons—all of which are based on mathematical expressions—to represent images in computer graphics.
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