Signifiers in product design contribute to its usability by providing cues about how to use the product. They guide the user's actions and help them understand what is possible with the product. For example, a flat panel on a door signifies one should push. This helps the user to understand how to interact with the door without needing explicit instructions. Thus, signifiers enhance the discoverability and understanding of a product, making it more user-friendly.
How do designers improve their products to work around flaws in human logic? In The Design of Everyd...
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