Definition of "user interface" [user interface]

• The part of a software application that a user sees and interacts with. (noun)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "SOFTWARE EVOLUTION: THE COMMAND LINE INTERFACE Some of the earliest programs available for the AppleII had a user interface that was quite similar to the ones available for use with time-sharing terminals on mainframe computers: A command was typed on a line, and the computer would execute that command and return with a prompt for the next command."
• "Bladelius to create a touch enabled user interface for Embla without compromise. ""