You use the word metaphorical to indicate that you are not using words with their ordinary meaning, but are describing something by means of an image or symbol. It turns out Levy is talking in metaphorical terms + metaphorically meta·phori·cal·ly You're speaking metaphorically, I hope
expressing one thing in terms normally denoting another; "a metaphorical expression"; "metaphoric language"
expressing one thing in terms normally denoting another; "a metaphorical expression"; "metaphoric language
Of or pertaining to metaphor; comprising a metaphor; not literal; figurative; tropical; as, a metaphorical expression; a metaphorical sense