The correct answer is:
Language
The presence of the Omayyad in the Iberian peninsula influenced strongly in the Spanish language, which imported a great number of Arabic words.
Art
Mainly music, Spanish flamenco uses the oriental scale just like Arab music and it has the same ornamentation. The Spanish guitar has its origin in the Arab oud. Spanish literature as well was greatly influenced by Arabic poetry.
Architecture
Since the Omayyad were present for many centuries in Spain, they made important hallmarks of Spanish-Islamic architecture, like the Mosque of Cordoba and Alhambra in Granada.