User Interface Design. A methodology based practice conducted by usability experts that entails analyzing and learning the user's needs, goals and cognitive understandings and then implementing the findings for usability optimization. Undergoing the Usability Engineering lifecycle at Imagine1 ensures that your products are intuitive, efficient and attractive, thus minimizing the errors while maximizing the productivity. Imagine1 provides a variety of user interface designs and human engineering support, depending on the development stage of your product.