Answer:
What is this Mexican dish consisting of a tortilla rolled around a filling, typically of beans or ground or shredded beef?
What is something you can hold without ever touching?
What flies forever, rests never?
What is used by man, tossed by trees, everywhere but unseen?
What word is the same written forward, backward and upside down?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.