… every sign is intended to determine a sign of the same object with the same signification or meaning. Any sign, B, which a sign, A, is fitted so to determine, without violation of its, A’s, purpose, that is, in accordance with the ‘Truth,’ even though it, B, denotes but a part of the objects of the sign, A, and signifies but a part of its, A’s, characters, I call an interpretant of A.