This module defines the various readings, the conditions to accept a reading, their relation to the various modes(7 ahruf) and the way of its transmission. It also introduces biographies of the famous scholars of recitation of the Qur'an (al-qurra'), the origins of the 7readings and the 10 readings, as well as the foundations and methodology of each reading. Finally it deals with the interrelation with the exegesis, Tajweed, Qur'anic spelling and the verses counting.