UI (user interface) design is all about what users actually see on the application’s screen. Like, text, colors, backgrounds, icons, and moving elements like animations. That’s why UI design overlaps with graphic design.
UX (user experience) design focuses on studying how users move through all the different elements of the UI. For UX designers, it’s all about the flow of the user experience. That’s why UX designers need to know the methods and tools for studying user behaviors. Then after, translate their insights into design guidelines or principles. Hence, UX designer handles making products usable, enjoyable, and accessible to users.