Speaking of using color as a formal syntax in a graphical programming language. The example found at http://www.coretalk.net/CubiconPrivate/CubiconPaper/MemoryMa... (User: Cubist1 and Password: Sandy2) is the executable design of the Memory Manager module for a next-generation virtual machine (VM). The visual directory on the left of the screen is a number of control-flow methods, interleaved with white and gray backgrounds. The colored icons express fundamental language constructs, in this case, memory pointer transfer, comparisons, and the like. This set of methods compiles into 37 KBytes of ANSI C.