I also tend to use my hands to explain a lot, especially when the subject is not something the listener is expert in. Using gestures to reinforce the idea of h

I also tend to use my hands to explain a lot, especially when the subject is not something the listener is expert in. Using gestures to reinforce the idea of how these separate objects are related... this node is the peer of that one, this server runs these two services, etc. It helps that I usually have a good idea of which concepts the listener has some knowledge of, and which need further explanation or simplification.