This document discusses user experience design. It defines user experience as how a person feels when interacting with or using a product, whether physical or digital. For a good user experience, a product needs to be usable, equitable, enjoyable, and useful. It then discusses each of these criteria in more detail. The document also outlines several jobs in the field of user experience design, including interaction designers, visual designers, motion designers, UX researchers, UX writers, UX program managers, and UX engineers. It provides brief descriptions of the roles and responsibilities of each type of job.