The Quran is the central religious text of Islam, believed by Muslims to be a revelation from God (Allah) through the Prophet Muhammad. It consists of 114 chapters (surahs) of varying lengths, each addressing theological, legal, and ethical guidance for individuals and societies. The Quran is written in classical Arabic and is considered by Muslims to be the literal word of God, conveyed through Muhammad over a period of approximately 23 years. It covers diverse topics including theology, morality, guidance for personal conduct, social justice, and the afterlife.