بِسْمِ اللَّهِ الرَّحْمَنِ الرَّحِيمِ
This is the opening aya of every chapter , showing that ar-rahmaan is an integral part of every chapter. The essence of Allah is perhaps actualised by his rah
This is the only ar-rahmaan ar-raheem as a phrase appearing as a full aya. It is outstanding here that this is also the only ar-rahmaan ar-raheem bracket (1/0 above and 1/2). What is in between matters which is alhamdu lillahi rabbil al-alameen. This is the connection of ar-rahmaan.