As in charades, when we face the same communicative challenge multiple times, our behavior becomes increasingly standardized.
The tendency toward increasing conventionalization occurs in all aspects of language, and it is largely a one-way street. Conventions become more rigid, not less. As in charades, when we face the same communicative challenge multiple times, our behavior becomes increasingly standardized. Once we’ve established a gesture for “Columbus” in one charade, we’ll stick with it in the unlikely event he comes up again, and the gesture will rapidly become simplified.