question #1 Sahih Muslim 208b, Book 1, Hadith 415 : What is the significance of the Prophet Muhammad (ﷺ) climbing the hill of Safa’ in Islamic tradition?

One day the Messenger of Allah (ﷺ) climbed the hill of Safa’ and said: Be on your guard, and the rest of the hadith was narrated like the hadith transmitted by Usama; he made no mention of the revelation of the verse:” Warn thy nearest kindred.”