The movie-director persona of Pasolini cannot be separated from the cinema theorist one, as he considers that the 7th Art is created in an utterly unique and universal audio-visual language. Resorting to
linguistic and semiologic elements, Pasolini sets out to begin scientific research on the cinematic art; moreover, he believes that the cinematic language is a double-articulated language instrument, being granted anexpression manner that embodies the audio-visual reproduction of reality, impossible to confront with other languages, as its arbitrary and conventional nature only concerns itself.