[RadioKid]

Communication is not only sending messages but also including dependence on the environment.

With large common environment shared, people can communicate with less words. It would be what happens in communication of Japanese.

Are you aware that Japanese talker often confirms the common environment with the listner saying "ne?", "desho?" ?

The characteristics of Japanese communication (or Japanese language at the same time) is mutual reliance, which makes miss-understanding at the communication with foreign people.