Notation aside, I like the term "turn" used for the whole unit. If you say 2 pi or 1 tau, it's still cloaked in traditional mathspeak. That kills opportunities

Notation aside, I like the term "turn" used for the whole unit. If you say 2 pi or 1 tau, it's still cloaked in traditional mathspeak. That kills opportunities for intuitive understanding, which can be a foothold for some.