Informal speech used by specific social groups (youth slang, criminal argot) to create an "in-group" identity. Colloquial Language (Prostorechie)
Linguists like G. Rondeau emphasize that the vocabulary of a national language can be split into "general" and "special" spheres, highlighting that the national language is a tool for both common social bonding and highly specialized technical work. Functional Styles shema nacionalnogo jazyka
These are speech varieties used in specific geographical areas (e.g., Northern vs. Southern Russian dialects). Informal speech used by specific social groups (youth
Focused on precision, logic, and objectivity; uses specialized terminology. uses specialized terminology.