Ulum al-Qur'an means the sciences of the Qur'an: how it was revealed, preserved, and compiled. This section has five sourced lessons.

How the Qur'an Was Revealed covers how revelation began, and the division of chapters into Makkan and Madinan. Asbab al-Nuzul, the occasions of revelation, explains what that discipline recovers and its limits, through a real example: the Qur'an's final ruling on alcohol. The Seven Ahruf and the Qira'at explains the hadith behind the Qur'an's sanctioned variations in recitation, and how they relate to the readings used today. Naskh explains abrogation and its real limits, through the well-documented change of the qiblah. And Jam' al-Qur'an tells the two-stage history of how the Qur'an was compiled: Abu Bakr's collection after the Battle of Yamamah, and Uthman's later standardisation.

Every lesson here is sourced directly from Sahih al-Bukhari, cited by hadith number. Where a topic is genuinely debated among scholars, the lesson says so, rather than presenting one view as settled. Each lesson has its own narration.