Which are the four traditional groups of surahs?

Arrangement of the Qur’an and the Rhetorical Style of Surahs

• Al-miʾūn, Meccan surahs, Medinan surahs, al-mufaṣṣal
• Al-sabʿ al-ṭuwal, al-miʾūn, al-mathānī, al-mufaṣṣal
• Al-ṭiwāl, verses, aḥzāb, prostration passages
• Al-mathānī, surahs, narratives, legal rulings