The book is devoted to the theoretical aspects of describing communicative behavior. The basic concepts of the science of communicative behavior are determined, a theoretical apparatus, methods and methods of description are proposed, a place for describing communicative behavior in modern communicative linguistics and a place for teaching national communicative behavior in the method of teaching a language as a foreign language are established. The authors propose parametric and situational models for describing the communicative behavior of the people. The proposed models are illustrated by a system description of Russian communicative behavior, carried out in communicative linguistics for the first time.