user interface

This is an interfaceThe point where two different domains meet, like a border. For example, a wall plug could be thought of as the interface between the power grid and the appliances you plug in. between something and the user of that thing. In a car, the pedals and steering wheel are all part of the user interface. You’re probably more familiar with the user interface (or UI) on a computer. If that interface involves graphics, then it’s a graphic user interface, or GUI (pronounced “gooey”).