Lexis (Aristotle)
In philosophical discourse, lexis (from the Greek: λέξις "word") refers to a complete group of words in a language, vocabulary, the total set of all words in a language, and all words that have meaning or a function in grammar.
Read more about Lexis (Aristotle): Lexis According To Plato, Lexis According To Aristotle, Elements of Rhetorical Diction According To Aristotle, Two Forms of Lexis