1. Equitable Use – The design should be useful and convenient for all people of all abilities.
2. Flexible Use – The design should be adaptable to a wide variety of individual preferences and abilities.
3. Simple and Intuitive use – The design should be easy to understand, regardless of the experience, knowledge, linguistic abilities, or concentration level of the user.
4. Use with sensitive information – The design should communicate the necessary information in an effective manner.
5. Use with tolerance for error – The design should reduce to a minimum the risks and adverse consequences of accidental actions.
6. Use with reduced physical effort – Elements designed in the urban context should be utilized by the users with a minimum of fatigue.
7. Use with ergonomic spaces – elements designed in the urban context should contemplate efficient and comfortable use with a minimum of fatigue.