graphical user interface
US /ˌɡræf.ɪ.kəl ˌjuː.zər ˈɪn.tər.feɪs/
UK /ˌɡræf.ɪ.kəl ˌjuː.zər ˈɪn.tər.feɪs/

1.
a visual way of interacting with a computer using icons, menus, and windows, rather than text commands
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Modern operating systems rely heavily on a graphical user interface for ease of use.
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Learning to navigate a new graphical user interface can take some time.