What is meant by "Our āyāt" in this verse?

Imām Ibn al-Jawzī (d. 597/1201) summarized the scholars' opinions in his book "Zād al-Masīr" as follows:

1. The verses of the Book that are recited.
2. The miracles of the prophets.
3. The Qurʾān.
4. The signs of God in His creations.