question #1 Sahih al-Bukhari 1028, Book 15, Hadith 23 : What is the significance of facing the Qibla during supplications in Islamic practice?

The Prophet (ﷺ) went out towards the Musalla in order to offer the Istisqa’ prayer and when he intended
to invoke (Allah) or started invoking, he faced the Qibla and turned his cloak inside out.