Well, yeah, but the technical detail doesn't have to remain low. When you first explain something to someone you keep it simple so that they get the broad pictu

Well, yeah, but the technical detail doesn't have to remain low. When you first explain something to someone you keep it simple so that they get the broad picture, you use analogies and what not. As they learn you can start introducing more and more detail. It's about explaining in a way the recipient can understand so "simple terms" becomes "terms your recipient can understand".