Islamic culture and civilization share common beliefs and characteristics rooted in the religion of Islam. Some key aspects include: 1) Muslims share a common culture defined by their religious beliefs and practices, including clothing, food, festivals, and marriage traditions. 2) Islamic architecture has distinctive features like domes, minarets, arched entrances, and repetitive decorative designs without images of animate beings. 3) While many modern Muslim cultural practices are rooted in the teachings of the Prophet Muhammad, some traditions have developed over time and are not explicitly mentioned in the Quran.