Hence all the words, syllables, even letters, which, circulating among the nouns and the verbs, are given the task of designating those ideas that in Port Royal were termed 'accessory'; there must be prepositions and conjunctions; there must be syntactical signs indicating the relations of identity or agreement, and those of dependence or case: marks of plurality and gender, declension endings; and, finally, there must be words relating common nouns to the individuals they designate the articles or demonstratives that Lemercier called 'concretizers' or 'disabstractors'.