Mass Communication functions are: surveillance, correlation, cultural transmission and entertainment. In many ways, the four functions of mass communication are still relevant and transferable to contemporary media.

Mass communication functions to validate the status and norms of particular individuals, movements, organizations, or products. The validation of particular people or groups serves to enforce social norms.

The main areas of specialization are:   

1. Print and Journalism.
2. Broadcasting and Online journalism.
3. Public Relations and Advertising.