Bot Path and Controller Interface

I know how to create your basic programm that compiles as a CLI or exports and/or saves data to a .txt file... But how does one build a GUI?

I ask because I am currently working on a programm for my Arduino controlled robot, in which I have a virtual on screen controller next to a map of my bots path.

How do I programm something like this?
"bump"
*bump bump*
Maybe better to google about your device's LCD and how to display on it first.
I don't know what kind of that's behavior for displaying.

Or you just want to make normal text-screen looked like gui?
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