is a specific kind of: content, message, subject matter, substance.

is a broader term that covers: absurdity, absurdness, ridiculousness | amphigory, nonsense verse | balderdash, fiddle-faddle, piffle | buzzword, cant | cobblers | crock | fa la, fal la | gibber, gibberish | incoherence, incoherency, unintelligibility | jabberwocky | flummery, mummery | empty talk, empty words, hot air, palaver, rhetoric | rigamarole, rigmarole | schmegegge, shmegegge | hooey, poppycock, stuff, stuff and nonsense | baloney, bilgewater, boloney, bosh, drool, humbug, taradiddle, tarradiddle, tommyrot, tosh, twaddle ... show more.

derivation: meaningless, nonmeaningful | nonsense, nonsensical.