Visibility is the basic principle that the more visible an element is, the more likely users will know about them and how to use them
What are Norman's seven interface design guiding principles?
streamlining task structures Make everything clear. Make sure the user mental model is correctly mapped to the conceptual and designed models. Convert limitations into benefits (Physical constraints, Cultural constraints, Technological constraints).
What is the conceptual model of Norman?
The conceptual model is essentially the mental representation of a product's operation that you have. When a design is done well, according to Norman, it "projects all the information needed to develop a good mental model of the system, leading to an understanding and a feeling of control."
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