GUI and interaction design thumb|350px|The GUI is presented (displayed) on the computer screen. It is the result of processed user input and usually the main interface for human-machine interaction. The touch UIs popular on small mobile devices are an overlay of the visual output to the visual input.
GUI and interaction design thumb|350px|The GUI is presented (displayed) on the computer screen It is the result of processed user input and usually the main interface for human-machine interact.ion. The touch UIs popular on small mobile devices are an overlay of the visual output to the visual input.