This document provides an introduction to user experience (UX) design. It defines UX as the sum of a user's experience interacting with a product or system, focusing on feelings rather than just functionality. It distinguishes UX from user interface (UI) design. The document outlines user-centered design principles and the UX design process, including gathering user requirements, conceptual design, and design implementation. It also discusses wireframing tools and techniques like keeping designs clean and avoiding unnecessary cognitive load. The presentation ends with recommendations for additional UX resources online.