(At-twur) 52 : 3
فِي رَقٍّ مَنْشُورٍ
In parchment spread open.
Adhikr, the Book for Repeated Reading, kept in the compact disk near Allah as explained in verses 85: 21-22, are revealed through angel Jibreel to Messenger Muhammed. According to the instruction of Messenger, the writers entered it in the unfolded parchment. Then after, gradually it is codified in papers as a Book between two covers as seen today. See explanation 2: 2-3; and 17: 13-14.