The article considers the discursive dominants represented in the political Internet discourse and official political discourse. Subjective (characteristic and axiological), actional and spatial dominants are analyzed. The patterns of foregrounding certain situation components are established. The aim of the present study is to analyze foregrounding of certain discursive dominants depending on the political communication type. The authors set the following tasks to achieve this goal: to study the subject-related theoretical material, to analyze the frequency of the discursive dominants in the political communication, to identify the realization features of the speaker's intention in the political Internet discourse and in the official political discourse.The material for the analysis were the US Presidents utterances in the social network, as well as official documents of the Presidential Actions, posted on the website of the US Government. The authors of the article use various methods, including observation and description, comparative method, contextual analysis, discourse analysis. The study scientific novelty lies in the comparison of two different spheres of the political communication. In the process of discourse interaction certain discursive dominants appear. Politicians statements in social networks often contain an actualized subjective dominant, which allows to affect the information perception by the recipient. At the same time, in the texts of official documents, the actional dominant is brought to the forefront, which is directly related to the participants actions.

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This article is devoted to the study of discursive structures in political sphere, represented in the English-language source Twitter of the President of the United States. The purpose of the study is to analyze the discursive structures that arise as a result of the interaction of political discourse with other types of discourses. To achieve it, the authors set the following tasks: identifying specific markers in the political discourse that characterize the presence of other discourses, analyzing the features of the communicative situation of message transmission, identifying the features of interdiscursiveness and polydiscursivity. The material for the analysis was the statements of Donald Trump on Twitter from November 1, 2019 to November 1, 2020. The authors of the article use various methods: descriptive, contextual analysis, comparative, methods of observation, content analysis and discourse analysis. The study uses the linguistic concept of the American scientist D. Himes S-P-E-A-K-I-N-G, which includes an analysis of the components of the situation: Participants, Ends, Act Sequence etc. Using the situation model in the messages, participants, their actions and other characteristics were highlighted. President is the author of the messages, while the addressee is a collective one. The same participants, depending on the context of the message, become participants of other types of discourses. The article examines such types of discourses as economic, educational, medical, which are part of political discourse. Their choice is due to the socio-economic significance of the issues of economics, education and health care in the life of society. In addition, the media function of political communication is reflected. The texts are posted on the Internet platform, due to which the political discourse is drawn into the space of the Internet discourse. The analysis made it possible to identify the features of large-scale interdiscursiveness and to highlight the levels of discursive heterogeneity.

This article is devoted to the study of the discursive structures of political texts published on Twitter of the President of the United States. The material of the study was the statements of Donald Trump and Joe Biden during the period from November 1, 2019 to August 31, 2021. Its multimillion audience of subscribers makes Twitter a powerful political tool with the ability to influence public opinion. The purpose of this article is to identify the discursive structures arising in political communication as a result of the actualization of the category of discursive heterogeneity, which includes elements of interdiscursiveness and polydiscursiveness. The authors use various methods: descriptive, contextual analysis, comparative, methods of observation, content analysis and discourse analysis. Using the linguistic concept of the American scientist D. Himes S-P-E-A-K-I-N-G, the analysis of the situation components Setting and scene, Participants, Ends, Act Sequence, Key, Instrumentalities, Norms, Genre is carried out. Being a part of the media discourse and demonstrating the features of the Internet genre, the written messages of politicians are laconic, expressive, and tend to economize on linguistic means. The same communicants, depending on the context of utterances, become participants in different types of discourses. The study analyzes the foreign and domestic political discourses, the security discourse, as well as a number of accompanying special discourses that constitute political communication. The choice of the subject matter of the messages is due to the high degree of importance of issues of foreign and domestic policy, as well as stability and security.