||The design is useful and marketable to people with diverse abilities.
||Flexibility in Use
||The design accommodates a wide range of individual preferences and abilities.
||Simple and Intuitive Use
||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.
||Tolerance for Error
||The design minimizes hazards and the adverse consequences of accidental or unintended actions.
||Low Physical Effort
||The design can be used efficiently and comfortably and with a minimum of fatigue.
||Size and Space for Approach and Use
||Appropriate size and space is provided for approach, reach, manipulation, and use regardless of user's body size, posture, or mobility.