![]() Understanding asks how the product is supposed to be used.ĭesign is concerned with how things work, how they're controlled, and the nature of the interaction between people and technology. Discoverability asks what actions are possible of the product and where and how to perform them. ![]() The two most important characteristics of good design are Discoverability and Understanding. ―Don Norman Book Notes The Psychopathology of Everyday Things Favorite Quote " Good design is actually a lot harder to notice than poor design, in part because good designs fit our needs so well that the design is invisible." This is because the principles of design, based on human psychology, will always remain the same. Over time, the tools and objects in the world will change, cultures will change, technologies will change, but the principles of design will hold. Bad design, on the other hand, screams out its inadequacies, making itself very noticeable. ![]() Its goal is to guide users effortlessly to the right action at the right time. ![]()
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