User interface, or UI, is an interface between human and [computer](computer.md). Such interface interacts with some of the human senses, i.e. it can be visual (text, images), auditory (sound), touch (haptic) etc.
Some massive faggots make living just by designing interfaces without even knowing [programming](programming.md) [lmao](lmao.md). They call it "user experience" or [UX](ux.md). [We](lrs.md) call it a [bullshit](bullshit.md).