Is the lyric “Strumming my pain with his fingers” a metaphor, poetic device, simile, personification, or onomatopoeia?

Lily created comment cards to give customer during the month of july. she takes all the feedback she received and determines how the company needs to improve its product.now that the product is improved,lily is launching a social media campaign to let customers know about the changes.in what department does lily most likly work?