A well-designed product communicates its function to the user through good discoverability and understanding. Discoverability allows the user to figure out what actions are possible and how to perform them. Understanding helps the user know how the product is supposed to be used and what the different controls and settings mean. This is achieved through five fundamental psychological concepts: Affordances, Signifiers, Constraints, Mappings, and Feedback.
How do designers improve their products to work around flaws in human logic? In The Design of Everyd...
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