• Directory of Internet terms
  • Graphical user interface (gui) — An Interface, i.e. a software package, that enables human beings to control what happens on their computers. A GUI consists of graphical elements known as icons and enables the user to run programs and to carry out other operations such as copying information from one Folder to another, deleting files, etc by clicking on these icons, opening and shutting windows and dragging and dropping with a mouse. Microsoft Windows and the much older Apple Mac interface are GUIs. Contrasted with Character User Interface (CUI), an older type of interface which required the user to control the computer by typing commands at the Keyboard. See Icon, Mouse, Operating System, Window, Windows.