Explanation
The farz actions (divinely instituted obligations) of hajj are: (a) to wear no other garment except the ihram (b) to stay (wukuf) in Arafat (c) to go round the Ka'bah seven time s (tawaf-al-ifada), which can be performed on the 10th, 11th or the 12th of Zu'l-Hijjah