This document summarizes user experience design in agile development for enterprise software. It discusses human-centered design and lean UX principles. It defines agile software development and the agile manifesto. It also defines user experience and lists common UX activities like research, design, and evaluation. It describes how UX fits within agile development in the early, mid, and late stages with user research, iterative design, and usability evaluation. Finally, it discusses how UX supports development through guidance, guidelines, and testing assistance.