"Two of the most important characteristics of good design are discoverability and understanding." #readingToday

Two of the most important characteristics of good design are discoverability and understanding. Discoverability: Is it possible to even figure out what actions are possible and where and how to perform them? Understanding: What does it all mean? How is the product supposed to be used? What do all the different controls and settings mean?

Design of Everyday Things Revised, Don Norman