How the Qur'an was compiled to preserve it for Muslims after the death of prophet Muhammad PBUH
1. Abu Bakr appointed Zaid ibn Thabit to compile all the written verses of the Qur'an into one collection
2. Verses were verified by those who had memorized the entire Qur'an at the hands of the Prophet himself
3. Concept of tawatur (multiple attested sources) used to ensure every verse was conveyed by the Prophet
4. Zaid penned the completed text which became known as the Suhuf and gave it to Abu Bakr