The article deals with the methodological aspect of the problem of interaction between literary language and extra-literary language phenomena (jargon, common parlance, dialects). In the modern literary Russian language there is an intensive convergence of traditional book-written and oral means with the everyday colloquial style of speech, urban vernacular, social and professional dialects. Based on this position, the course "Russian Language and Culture of Speech" includes the lecture "Speech in Interpersonal Communication".
