Are Elvish, Klingon, Dothraki and Na’vi real languages?

Well , not real in that they ’re fabricated nomenclature talk by fictional people . But what makes a fictitious spoken language an literal language and not only a convincing combination of sounds ?

Linguist John McWhorter sacrifice this TED - Ed talk , which focuses largely on J.R.R. Tolkien ’s quest to make his Elvish oral communication operate as natural language would . One matter that is touched on in this video that I would in person love to see explore further is how constructed language evolve in the hand of fan .

Are elfish , Klingon , Dothraki and Na’vi real languages?[TED - Ed viaBrain Pickings ]