- revelation
- God's speech sent down upon the Prophet over twenty-three years
- the sura
- the sura, the Qur'an's chapter, one hundred and fourteen of them
- the aya
- the aya, the Qur'an's verse, and every sura is built of them
- memorisation
- the tradition of carrying the whole Qur'an entirely from memory
- the mushaf
- the mushaf, the gathered pages holding the Qur'an's whole text
- Abu Bakr
- Abu Bakr, the caliph who first ordered the Qur'an gathered
- Uthman
- Uthman, the caliph who copied the mushaf and sent it to the cities
- Zayd ibn Thabit
- Zayd ibn Thabit, the revelation's scribe who led both gatherings
- Yamama
- the battle of Yamama where many memorisers fell, prompting the gathering
- parchments
- the parchments and sheets on which the Qur'an was first written
- twenty-three
- twenty-three years of descent between Mecca and Medina
- the huffaz
- the huffaz who carried the Qur'an in their breasts across the centuries
