Constructed languages
Constructed languages or short form Conlangs are various languages, which created some people, for different intentions. They belong here: Artistic (Priori, Posteriori), Logical, Musical, Fictional, Personal, Experimental,...etc
Natural languages
Natural languages, or short form Natlangs are languages which tell people. which live in different countries of the world.
Others languages
Others languages, or speechs are various languages as are: Argots, Joke Languages (or short form: Jokelangs) Language game, Slangs,...etc.