The monograph integrates the author’s theoretical developments made during the implementation of the RSF research project “Development of the fundamental foundations of domestic media theory in the conditions of transformation of social practices and digitalization of the media” (No. 17-18-01408). The book makes an attempt to identify the theoretical foundations of the study of media as an interdisciplinary field, to determine its main research paradigms and key thesaurus concepts, theoretical approaches to the role of media technologies, and factors influencing the development of media research. Domestic media as a subsystem of society are considered through the prism of academic analysis of the concepts of the media system, media industry, media policy and media regulation, media and audience feedback, journalism, media education. For media researchers, media practitioners, media experts, undergraduate and graduate students, as well as for a wide range of interested readers. In format PDF A4 retained publishing layout.