"Designing the Obvious" by Robert Hoekman dedicates a whole chapter in his book on supporting the user's mental model. A great example he gives is deleting fil

"Designing the Obvious" by Robert Hoekman dedicates a whole chapter in his book on supporting the user's mental model. A great example he gives is deleting files. Instead of writing command line prompts to delete files, users simply drag icons into a trash bin on their desktop. The visual metaphor of throwing something away is simple and it makes sense.