Principle Three: Simple and Intuitive

Use of the design is easy to understand, regardless of the user's experience, knowledge, language skills, or current concentration level.

Guidelines:

•  Eliminate unnecessary complexity.

•  Be consistent with user expectations and intuition.

•  Accommodate a wide range of literacy and language skills.

•  Arrange information consistent with its importance.

•  Provide effective prompting and feedback during and after task completion .

Example: chair assembly diagram