Our readingWhat is a korrent?
An interface should give the user a useful mental model even if it is false, while a game should give the player an accurate model of its own machinery.
Drawn from what Raph Koster said
Subjectdesign
What this subject means
design How things should be made and judged: what makes a design good, who should do the designing, and what an interface is for.
Mental modelAffordances and signifiers
On the topicWhich mental models should a designer think with?under our view: An interface must show what can be done: affordances, signifiers and a conceptual model