User Experience or Customer Experience (CX) – Describes the discipline of measuring and optimizing the personal experience of interacting with a product. Often this term is used in the context of digital products and the experience of human-computer interaction. The ease of use, the utility, and the efficiency of a product are important aspects. UX Design for digital products has a strong emphasis on research and concept, understanding users needs and behavior, as well as improving the product itself and the UI Design.