also: グイ · グーイ · ジーユーアイ
noun
GUI; graphical user interface
Computing term for a visual interface using windows, icons, and pointers, as opposed to a command-line interface.
このアプリはＧＵＩが直感的で使いやすい。
This app has an intuitive and easy-to-use GUI.
コマンドラインよりＧＵＩのほうが初心者には優しい。
A GUI is friendlier for beginners than a command line.
CUI (character user interface) is a text-based interface, often contrasted with GUI.
User interface; a broader term that includes both GUI and CUI.
Borrowed from English 'GUI', an acronym for 'graphical user interface'. The reading ジー・ユー・アイ reflects the English letter names, while グイ and グーイ are Japanese approximations.