As summarized by Ron Mace at the Center for Universal Design (UD) at North Carolina State University “the design of products and environments to be usable by all people, to the greatest extent possible, without the need for adaptation or specialized design.”. Guidance is provided for using these seven design principles:
1) Equitable use, 2) Flexibility in use, 3) Simple and intuitive, 4) Perceptible information, 5) Tolerance for error, 6) Low physical effort, 7) Size and space for approach and use
