This document provides an introduction to user experience (UX) design. It discusses key concepts in UX like understanding users, defining goals, considering the environment, and establishing design constraints. It emphasizes that UX design is about intentionally creating positive experiences for users. The document provides examples of tools commonly used in UX like personas, user stories, scenarios, and design principles that can help guide the design process. It also discusses how anyone can incorporate UX reviews into their work to improve products and their own UX skills.