Completar frases Phonetics and PhonologyVersión en línea definition por Mariana Méndez 1 phonetics overlap complement phoneme systematize function organization sounds language value fields constitute phonology speech linguistic allophones Phonetics and phonology the theoretical context about speech and how they are used in . While studies phonic substance and provides information on the physiological and acoustic properties of sounds , observes and analyzes what properties have a communicative to then functional units . For the phonologist , sounds are linguistic items whose interest is their , behaviour and . The basic notions in phonology are the unit , the ; the realizations , the and the distribution , which refers to the position these latter occupy in the chain . Even though they are sometimes considered as separate , phonetics and phonology each other and even .