TRIVIUM is a discipline of learning used in seeking TRUTH.  Grammar teaches the mechanics of language to the student.  This is the step where the student "comes to terms," defining the objects and information perceived by the five senses.  Hence, the Law of Identity:  a tree is a tree; and not a cat.   Logic is the "Mechanics" of thought and analysis; the process of composing sound arguments while identifying fallacious arguments and statements, thus systematically removing contradictions; thereby producing factual knowledge that can be trusted.  Rhetoric is the application of language in order to instruct and persuade the listener and the reader.  TRIVIUM is the knowledge (grammar) now understood (logic) and being transmitted outward as wisdom (rhetoric).