(figurative): The spirit or soul of something: its essence, its true quality.

an emotion, a feeling, feelings, a sentiment

expression (by words, facial, attitude) / representation (of art, play, music) / performance (of actor, player, ...)

express

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

deep, profound

music

deep, close, thick, profound