 As just mentioned, concept-formation is freed from the peculiarities of the subjective psychological process by concentration on the creation and refining of objective thought contents. This logical process may proceed by reference to the “grammatical” categories of substantive, adjective and verb that may be taken to “mirror” the logical categories of object, concept and relation, respectively. As it has been explained, this picture allows for both an act-content distinction and the minimal structure required to get our metaphysics off the ground: