poetry are your is incorrectly written and it should be written as "Poesía eres tú" being its meaning: Poetry are you: poetry is an artistic expression of the spirit who, through the word, beautifully expresses the feelings, meeting certain standards of measure and rhythm to create verses. Poesía eres tu, is a verse from a rhyme of Gustavo Adolfo Becquer, writer of the romantic era, which reads as follows: what is poetry? you say while they clavasen my pupil, pupil your blue. What is poetry? And you ask me for it? Poetry is you. It is understood that, verse " Poesía eres tú " refers to the profound beauty of the person to whom this expression is dedicated.