words: crystallized fragments containing reality (and unreality as well) driven by a Logic unable to prove its own existence.
worlds: you exist in one; "the Universe" which is everything that [n]ever was[n't]: the moon, the sea, space, eternity you and me, this poem
and the Universe is also a word which is contained in this poem and thus in your mind a word contains the world in which lives the person reading this poem that holds the wor(l)d