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Principles
1. Equitable Use
The design is useful and marketable to people with diverse abilities.
2. Flexibility in Use
The design accommodates a wide range of individual preferences and abilities.
3. 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.
4. Perceptible Information
The design communicates necessary information effectively to the user, regardless
of ambient conditions or the user's sensory abilities.
5. Tolerance for Error
The design minimizes hazards and the adverse consequences of accidental or
unintended actions.
6. Low Physical Effort
The design can be used efficiently and comfortably and with a minimum of fatigue.
7. 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.
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