> Data generated by a node "flows" to the other nodes it is connected to and when any node has data on all it's inputs, it executes and produces data which flow

> Data generated by a node "flows" to the other nodes it is connected to and when any node has data on all it's inputs, it executes and produces data which flows to whatever nodes it's connected to. I think you just described flow programming. There are at least 10+ visual languages / environments that work like this.