> The most general data structure is a directed graph. Is a formal textual description as good as shapes connected by arrows? Oh yes. My company used a "visua

> The most general data structure is a directed graph. Is a formal textual description as good as shapes connected by arrows? Oh yes. My company used a "visual" programming language for a workflow project and it's pretty much a directed graph with nodes -- the whole thing takes 50 printed pages to see the whole thing and is pretty much impossible to understand. And it's not even that complicated of a workflow. > Finite state machines. Again, shapes connected by arrows is clearer. Only for mostly trivial state machines.