We can think of mass communication as a giant courtroom where, as a people, we discuss and debate our culture—what it is and what we want it to be. this view sees mass communication as a

I believe the answer is: cultural forum

Mass communication is being done to different of people at once. These people have their own way of thinking and interpret information, so difference might occurs during the process. We can say that They are just like different cultures in a cultural forum.

there is an explationation of this on a site called crash   course world history 1

use this site