In poetry a metaphor could accomplish assorted functions from your mere noting of a likeness to the evocation of a swarm of associations; it may well exist like a insignificant attractiveness or it may be the central principle and controlling picture from the poem. “Tu corazón, tambor de tu pecho”: https://metafora96396.blogdosaga.com/30957311/the-fact-about-metafora-that-no-one-is-suggesting