question #1 Sahih Muslim 457a, Book 4, Hadith 186 : What is the significance of the Surah Qaf in the context of prayer led by the Prophet Muhammad (ﷺ)?

I said prayer and the Messenger of Allah (ﷺ) led it and he recited” Qaf. (I.). By the Glorious Qur’an,” till he recited” and the tall palm trees” (l. 10). I wanted to repeat it but I could not follow its significance.