It's important to be clear that the "function nodes" are specific types of nodes, generally basic/fundamental mathematical operators that need to be connected together to do more sophisticated things. The function nodes are blue in the node network, differentiating them from other nodes. So that is what we presumed was being referred to and why it seemed like too narrow a focus.
We'll consider a dedicated "node network" discussion area for the future. For now we'd like to see how discussions in that area evolve and grow in the single existing discussion forum.
- Oshyan