By using symbols such as words, pictures, numbers, etc. ( Berelson dan Stainer : 1964 )Communication basely is a process which explain who, says what, in which channel, to whom, with what effect. ( Lasswell : 1960 )Communication is a process which make something which belong to one person become belong to 2 persons or more. ( Gode : 1959 )After read that following definition, then there is a quest