bilateral integration the coordinated use of both sides of the body during activity. integration of learning the incorporation of previously acquired concepts and behaviors into a variety of new situations, a cognitive performance component of occupational therapy.
Generally, the goal of user interface design is to produce a user interface which makes it easy (self explanatory), efficient, and enjoyable (user friendly) to operate a machine in the way which produces the desired result.
A GUI is usually a more satisfying or user-friendly interface to a computer system. A programming interface, consisting of the set of statements, functions, options, and other ways of expressing program instructions and data provided by a program or language for a programmer to use.