The term CELLPHONE SURFACE is composed of two words, the first being 'cellphone' and the second being 'SCREEN, ' which is a six-letter word. A cellphone SCREEN is the surface of a cellphone that displays information and allows users to interact with the device. It is typically made of glass or plastic and is usually touch-sensitive. The SCREEN is the most important part of a cellphone, as it is the primary way in which users interact with the device.