Intonation is the complex system of prosodic features used in spoken language to express meaning, emotion, grammatical relationships, and communicative intention. In Russian phonetics, intonation is an essential component of oral speech because it helps distinguish statements, questions, commands, requests, exclamations, and various shades of emotion. Even when the words remain unchanged, different intonation patterns can alter the speaker's intended meaning. Russian intonation consists of several interacting elements, including pitch movement (melody), stress, rhythm, tempo, pauses, and loudness. Together, these features create intonational patterns that make speech expressive and understandable. The study of Russian intonation is closely associated with the concept of Intonation Constructions (Интонационные конструкции – ИК), developed in Russian phonetics. Each intonation construction has a characteristic pitch contour and is used in particular communicative situations. The classification of intonation