Semantics, or the study of meaning, remained undeveloped, while phonetics made rapid progress and even came to occupy the central place in the scientific study of language.
Roman JakobsonThe poetic function is the set towards the message itself, focus on the message for its own sake which by promoting the palpability of signs, deepens the fundamental dichotomy of signs and objects.
Roman JakobsonLinguistic sounds, considered as external, physical phenomena have two aspects, the motor and the acoustic.
Roman JakobsonAt first acoustics attributed to the different sounds only a limited number of characteristic features.
Roman Jakobson