“Graphic Interchange Format.” A type of computer file that contains a still or moving image.

Stands for “joint photographic experts group.” A computer file that contains pictures or photographs.

“Portable Document Format” A system for storing and sending documents between computers that does not allow the contents to be changed.

The smallest unit of a digital image or graphic that can be displayed and represented on a digital display device.

Refers to “pixels per inch” and measures the density of pixels used on electronic devices, like camera screens or monitors.

A measure of image quality based on dots per inch for printed works and pixels per inch for digital work. The higher the resolution, the crisper the image will be.

Can refer to either the actual physical feel of a design or the way a viewer imagines a design might feel. By using textured graphics, a design can visually imitate actual texture.

Artwork made up of points, lines, and curves that are based on mathematical equations, rather than solid colored square pixels. This means that no matter how large or small or how close you zoom in on the image, the lines, curves, and points remain smooth.

A rectangular pattern of lines that an electron beam follows on a television or computer screen. These images are made up of pixels.