The thing is, using modules it should be possible to create even higher-level concepts, so things should become more expressive --- that's how I work in BlockSC

The thing is, using modules it should be possible to create even higher-level concepts, so things should become more expressive --- that's how I work in BlockSCAD. The problem always becomes such expressions become just a list of names of modules and their inputs, so one is back to the wall-of-text problem which a visual tool is supposed to solve --- the fundamental issue is, "What does an algorithm look like"? and the solution we need is, "What is the most expressive way to create algorithms"?