User interface design or UI design generally refers to the visual layout of the elements that a user might interact with in a website, or technological product. User interface designs must not only be attractive to potential users, but must also be functional and created with users in mind.
User interface (UI) design is the process of making interfaces in software or computerized devices with a focus on looks or style. Designers aim to create designs users will find easy to use and pleasurable. UI design typically refers to graphical user interfaces but also includes others, such as voice-controlled ones.