'Ad (Arabic عاد) was an ancient Arabian nation mentioned in the Qur'an as being the place where the Islamic prophet Hud (هود) was sent to by Allah to guide its people back to the righteous path of Islam. The citizens did not heed his warnings and the town was destroyed by God in a great storm. The Arabic alphabet is the script used for writing the Arabic language, which is the language of the Quran, the holy book of Islam. ... The Quran ( Arabic al-qurʾān أَلْقُرآن; its literal meaning is the recitation and is often called Al Quran Al Karim: The Noble Quran, also transliterated as Quran, Koran, and less commonly Alcoran) is the holy book of Islam. ... The Quran identifies a number of men as prophets of Islam. ... Hud (Arabic هود) is a prophet in the Quran. ... An example of allāhu written in simple Arabic calligraphy Allah ( Arabic allāhu الله) is traditionally used by Muslims as the Arabic word for God (not Gods personal name, but the equivalent of the Hebrew word El as opposed to YHWH). ... Islam (Arabic al-islām الإسلام,  listen) the submission to God is a monotheistic faith and the worlds second-largest religion. ... This article focuses on the monotheistic concept of a singular God. ...