This is interesting because it is a written language that is a mix of pictograph and spatial relationships to tell a story. One common argument against visual programming languages is that popular writing systems are the most efficient way to communicate, therefore programming should be text, but this is a good example of a writing system that is "visual" in the way we think of visual programming languages

Hmmm based on some comments its not actually a letter, its the result of a game where one person draws and another person has to guess the meaning of the drawing