Deutsch limit
The Deutsch limit is an aphorism, originated by L. Peter Deutsch, about the information density of visual programming languages: The problem with visual programming is that you can't have more than 50 visual primitives on the screen at the same time. The term was coined by Fred Lakin, after Deutsch made the following comment at a talk on visual programming by Scott Kim and Warren Robinett: "Well, this is all fine and well, but the problem with visual programming languages is that you can't have more than 50 visual primitives on the screen at the same time.