Characteristics of UX Design and UI Design

● What have you learned about the main characteristics of UX Design and UI Design and how UX differs from UI.
● From your experience, share an example(s) of the impact of positive or negative user experience on success or failure of the product (friendly/unfriendly interface, components of Apple products ecosystem, added functionality, etc) you may have noticed.
● Based on your perspective, why is UX important?