The document discusses different methods of broadcasting including telephone, radio, television, cable, satellite, and webcasting. It defines broadcasting as the mass distribution of audio, video, or other messages intended for a widespread audience. Broadcasting uses electromagnetic waves or the internet to disseminate information to entertain, educate, and inform the public. The document also covers several means of financial support for continuous broadcasting, including commercial broadcasting (supported by advertising), public broadcasting (supported by public funds and donations), and community broadcasting (run by non-profits and focused on local issues).