This document discusses how user experience (UX) extends beyond the user interface (UI) and involves many other aspects of software development and delivery. It begins by defining UX and explaining its broader scope compared to user interface or usability. The document then covers how UX is impacted by activities throughout the software development lifecycle (SDLC) and various levels of the technology stack, including APIs, databases, infrastructure, and dependencies. Key themes that affect UX like performance, reliability, security and bugs are discussed. The importance of UX and challenges of UX work are presented. Finally, the document proposes approaches like planning for UX, user testing, advocating for quality practices, and emphasizing UX as a team