Define Sociology,and It's Key Terms? Describe The Sociological Perspective?

The answer is the systematic and scientific study of human behavior, social groups, and society.
Symbolic interactionism
structural functionism
conflict perspective

you have to analyze the role of media in society for your three major perspectives though.

Sociology is the study of human society. The word sociology has been defined by a number of sociologysts in many different ways in order to emphasise different aspects of sociology.