The chapter begins with the letter ‘nun’ which may allude to the Divine pot of ink (energy, light) with which the Divine pen inscribes the decree.
It continues with an assertion that the Prophet is of the highest moral character.
This is followed by a large section that lists the nature of those who cover up the truth and reject the Prophet.
The parable of the owners of the garden who lost their harvest because of their stinginess and selfishness follows. The chapter continues with challenges and a warning to those who deny Divine guidance on the day of judgement, ending with an affirmation that the Prophet and the Qur’an are reminders for all.