Pixel is a term used in digital imaging and refers to the smallest unit of a digital image. It is made up of a combination of dots, which are the smallest elements of an image. A pixel is a single point in a graphic image and is usually represented by a DOT or square. Pixels are used to create digital images, such as photographs, illustrations, and text. They are also used in computer displays, such as monitors and televisions, to create a PICTURE. Pixel is an abbreviation for 'PICTURE element' and is derived from the Latin word pix, meaning 'PICTURE'.