Proposition 4: Communication is what is heard, not only what is said.
Proposition 5: Clarification of goals increases the possibility of effective communication.
Proposition 6: Mastery of content is the necessary foundation for effective communication.
Proposition 7: The communicator's personality and experiences modify the form of the message.
Proposition 8: The communicator’s image of the audience and understanding of the context are primary factors in shaping the message.
