1. Pengertian Komunikasi
The transmission of energy change from one place to another as in the nervous system or transmission of sound waves;
The transmission or reception of signals or messages by organism;
The transmitted message;
(Communication Theory), The process whereby system influence another system throught regulation of the transmitted signals;
(K. Lewin) The influence of one personal region on another whereby a change in one results in a corresponding change in the other region;
The message of patient to his terapist in psychotherapy;

2. Fungsi Komunikasi The Surveillance of the environment
The correlation of the parts of society in responding to the environment
The transmission of the social heritage from one generation to the next

3. Fungsi Komunikasi (William I Gorden)
Sebagai Komunikasi Sosial
Sebagai Komunikasi Ekspresif
Sebagai Komunikasi Ritual
Sebagai komunikasi Intsrumental

4. Tujuan Komunikasi ( Dan B. Curtis)
Social Change
Attitude Change
Opinion Change
Behavior Change

5. Unsur – Unsur Komunikasi
Sumber = Source = Komunikator
Pesan = Message
Media
Penerima=Receiver=Audiens=Komunikan = Khalayak
Pengaruh=Effect=Dampak
Tanggapan balik=Feedback
Lingkungan=Environment