There are four types of constraints in design: physical, cultural, semantic, and logical. Physical constraints are limitations imposed by the physical world, such as size or weight. Cultural constraints are limitations imposed by societal norms and expectations. Semantic constraints are limitations imposed by the meaning of something, such as the use of certain colors to signify specific things. Logical constraints are limitations imposed by logic, such as the need for a switch to turn on a light.
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Some examples of products that demonstrate good discoverability and understanding include smartphones, laptops, and other digital devices. These products have intuitive interfaces that allow users to easily figure out what actions are possible and how to perform them. They also provide clear instructions and feedback to help users understand how the product is supposed to be used and what the different controls and settings mean.
A good design solves problems for the user by ensuring discoverability and understanding. Discoverability refers to the ability of the user to figure out what actions are possible and how to perform them. Understanding refers to the user's comprehension of how the product is supposed to be used and what the different controls and settings mean. This is achieved through the use of affordances, signifiers, constraints, mappings, and feedback. These elements help the user to interact with the product effectively and efficiently.
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The Design of Everyday Things
How do designers improve their products to work around flaws in human logic? In The Design of Everyd...
