the functioning aspect of phenomena. The aim of phonology is to discover those segmental and prosodic features that have a differential value in a language.
Scope (сфера, область действия)
Phonetics
What are the sounds?
How are they made in the mouth?
Phonology
How are sounds systematically organized in a language?
Theoretical phonetics of a particular language applies the theories formulated by general phonetics (the phoneme theory, the theory of syllable formation, theories of stress, intonation).
By practical (applied) phonetics we mean all the practical applications of phonetics (in teaching foreign languages, logopedics, telephony, etc.)