The User Interface (UI) is the view of a product or service presented to the user.
The UI of a door is usually a big surface with a doorknob, and optionally a window, a mailbox slot, a peephole viewer, etc.
Today's computer interfaces are a monitor screen, keyboard, and mouse. Monitors have been capable of displaying high-resoultion graphics (even television-quality video) for some time, so the interface has been dubbed a GUI (GraphicalUserInterface?
, pronounced "goo-ey").
The design of the UI is the work of User Interface
Engineers, including Visual Design?
and User Experience
The User Interface
of a Web Content Management
System is usually a complex of web pages.
Jared Spool's UI Conferences