question #1 Sahih al-Bukhari 3354, Book 60, Hadith 29 : What significance do dreams hold in Islamic tradition, especially those involving prophets?

Allah’s Messenger (ﷺ) said, “Two persons came to me at night (in dream) (and took me along with them).
We passed by a tall man who was so tall that I was not able to see his head and that person was
Abraham.”