The poetical complexity and range of ideas one can read in the Green Box makes it a multi-layer text that apparently changes every time it is read. These documents have no boundaries in format or content. Their complexity could probably make the meanings and ideas achieved when the reader stops to think one of the manuscript’s fourth dimensions.
Duchamp shows unmistakably he is what the French call “Avant la lettre” when he generates this work in the second and third decades of the 20th century. One must obviously take in consideration its sexual meaning and the prejudice present at the time. A few years after, Duchamp declares the sexual act “the pre-eminent fourth dimensional situation” .