When the graphical user interface was later developed by Xerox, however, the team found that the vertical pointer was almost impossible to see due to the low resolution displays in use at the time.

Rising Software-Focused Design Patent Applications Drive the GUI Design Software MarketNew York US, May 05, 2022 (GLOBE NEWSWIRE) -- Graphical User Interface Design Software Market Overview ...

A user interface is the method by which the user and the computer exchange information and instructions. There are three main types - command-line, menu driven and graphical user interface (GUI).