question #3 Sahih Muslim 1170, Book 13, Hadith 285 : What significance does the moon’s appearance hold in identifying Lailat-ul-Qadr?

We were talking about Lailat-ul-Qadr in the presence of the Messenger of Allah (ﷺ) and he said: He who amongst you remembers (the night) when the moon arose and it was like a piece of plate (at the fag end of the month in a state of waning).