Aristotle supports the conventional origins of meaning. He defined the logic of speech and of the argument. Furthermore, Aristotle's works on rhetoric and poetics became of the utmost importance for the understanding of tragedy, poetry, public discussions etc. as text genres. Aristotle's work on logic interrelates with his special interest in language, and his work on this area was fundamentally important for the development of the study of language ("logos" in Greek means both "language" and "logic reasoning"). In "Categories", Aristotle defines what is meant by "synonymous" or univocal words, what is meant by "homonymous" or equivocal words, and what is meant by "paronymous" or denominative words. He divides forms of speech as being: