The document discusses several key concepts relating to media industries:
1) It defines monopoly, oligopoly, private ownership, public ownership, vertical integration, horizontal integration, and franchise, and provides examples of each.
2) It explains that multi-national media conglomerates own companies across different media sectors like television, movies, and theme parks. Disney is provided as an example.
3) It describes globalization in media as countries being connected through trade and shared cultural experiences of media products that can now spread worldwide through the internet.