Pun: A verbal system by which various definitions of a phrase or its homophones are employed to provide a sentence a number of valid readings, normally to humorous impact. . Se hace referencia a su posición en el cielo y a su constante movimiento cuando el viento las transporta. Fundamento: https://metafora87430.nico-wiki.com/1471957/5_simple_statements_about_metafora_explained