User interface components are the materials, buttons, and controls a person interacts with when using a product. Touch screens in smartphones and tactile buttons and switches in home appliances are examples of manufactured components that help define the user experience.
User interface design, or human machine interface design, refers to designing the interface to make the experience simple, efficient, enjoyable, and aesthetically pleasing. The operator of a product should have to provide minimal input to achieve the desired result without frustration or confusion. This optimal experience is designed through user interface components and user interface design best practices.
