First, because it permits or in any case strives to render possible the structuration of contents themselves; it is therefore not a theoretical reworking of knowledge acquired elsewhere, the interpretation of an already accomplished reading of phenomena; it does not offer a 'linguistic version' of the facts observed in the human sciences, it is rather the principle of a primary decipherment: to a gaze forearmed by linguistics, things attain to existence only in so far as they are able to form the elements of a signifying system.