First off UX design will mean different things to different people. It will also be called different names by different people, so it could be called interaction design, information architecture, visual design and so on, but when i hear UX i think of
improve the customers satisfaction through the ease of use of when using your product
Simply put in my mind UX is the process of making your product user friendly and easy to use.
Rather than take you through a long blog post today i thought i would share with you a nice video on what UX is.