In terms of modern stylistics he dealt with the expressive function of signs.
2.
He borrows purity and honesty from Cezanne, optics from the fauves, a vibrant craze from color as an expressive function, and the motivation for an infinite inspiration from the long-suffering America that he knows so well . -Manual Mujica L�inez
3.
Bach encapsulates this experience of peace and acquiescent submission beyond anything that mere words can convey . " He sees the " flowing oboe arabesques ", which the singer imitates twice on the word " " ( joy ) as a " clear indication that their expressive function is to proclaim the Christian's personal bliss, an inextricable element of this important experience of life ".