The document discusses medieval art during the Middle Ages. It focuses on the role of the church and how art was connected to the church during this period. Cathedrals were often referred to as "sermons of stone" because of their religious imagery and teachings. Architectural advances like flying buttresses and ribbed vaulting allowed for taller cathedrals with more windows. Manuscripts served to spread religious teachings and were often illuminated with colorful illustrations. Medieval art depicted humans in a stylized, otherworldly way rather than realistically. Elements like symbolism were commonly used.