In the Qur'anic Arabic the core commandment which all the Muslims are required to comply with is called the 'ummul kitab,' - 'the essence of the book.'
Ti Koran wenno Qur'an (Arabiko: القرآن‎ al-qur'ān, wenno "ti panangisao", maawagan pay iti Al Qur'ān Al Karīm wenno "Ti Madaydayaw a Qur'an"), ket ti nasantuan a libro ti Islam.