"Universal Design is the design and composition of an environment so that it can be accessed, understood and used to the greatest extent possible by all people regardless of their age, size, ability or disability. An environment (or any building, product, or service in that environment) should be designed to meet the needs of all people who wish to use it."
The design is useful and marketable to people with diverse abilities.
The design accommodates a wide range of individual preferences and abilities.
Use of the design is easy to understand, regardless of the user’s experience, knowledge, language skills, or current concentration level.
The design communicates necessary information effectively to the user, regardless of ambient conditions or the user’s sensory abilities.
The design minimizes hazards and the adverse consequences of accidental or unintended actions.
The design can be used efficiently and comfortably and with a minimum of fatigue.
Appropriate size and space is provided for approach, reach, manipulation, and use regardless of user’s body size, posture, or mobility.