Every discipline must have its own terminology which makes it easy to understand the subject. For the subject like sociology is it is very important to have its own terminology because it is a social science and has many familiar terms in the theories and principles propounded by various sociologists, which can be easily confused rather wrongly interpreted if understood with the common sense knowledge.

So, in order to understand the subject properly we must interpret the terms used with respect to the definitions given in the subject and not with our common sense knowledge.