are made up of pixels or tiny dots that compose an image using color and tone. Since their building blocks are pixels, raster images do not feature the kind of scalability that vector images do.

One of the hardest things to accomplish in vector illustration ... a monochrome image using only dots of varying sizes. Halftones are especially important for graphic artists working with a ...

With vector graphics, the image is usually created entirely ... but defaults to 90dpi ('dots per inch' rather than 'pixels per inch'). The setting refers to the required output resolution.