Sender v. Receiver becomes an arbitrary designation. Your meaning may be different than mine. How nice to see you. Meta communication refers to the hidden assumptions, inferences, and interpretations of the participants. In closed communications senders and receivers consciously and purposely hide their real agendas and messages.
Some communication is designed to conceal, hide the real message.
During the presidential campaign Clinton said he would not raise taxes to support my programs. After the election, he said that he could raise taxes for other purposes. Lying and distortion strategies. Non verbal communication . Body language and space.