The sura begins with an oath on the undeniable reality which is a descriptive name of the day of judgement.
A warning with the historical destruction of the people of Aad & Thamud with relentless winds for seven nights and eight days follows. Pharaoh and the people of Prophet Nuh are also mentioned as a warning of the consequences of injustice and arrogance.
Aspects of the day of judgement are followed by a contrast of the fate of the people who receive their book of deeds in the right hand to those who receive it in their left hand.
The chapter ends with an affirmation of the revealed nature of the Qur’an and an order to declare His perfection.