UI/UX DESIGN Presentation by K.V.L.N Reddy 19X31A0584 UX refers to the user experience with an application while UI is the visual and interactive design users see. UX design focuses on user research, design, prototyping, testing and metrics to improve the overall experience. UI design determines how the app looks and functions through visual elements, information architecture, and interaction design. Effective UI applies principles of visual hierarchy, unity, contrast and other design concepts to enhance usability.