The Design of Everyday Things

https://en.wikipedia.org/wiki/The_Design_of_Everyday_Things

Chapter One: The Psychopathology of Everyday Things

Well-designed things do not need explanatory signage or trial-and-error.

Two important characteristics of design:

1. Can the user discover what action are possible and how to do them?
2. Can the user grok the meaning of the actions and the purpose of the thing?

Designers must design for humans, who are not perfectly logical creatures.

Discoverability is done with