Sawm = fasting from dawn until dusk during Ramadan, one of the Five Pillars of Islam.
Salat = the ritual prayer of Muslims, performed five times daily in a set form, one of the Five Pillars of Islam.
Hajj = the pilgrimage to the holy city of Mecca in Saudi Arabia, which every adult Muslim must make at least once in his or her lifetime.
Zakat = is a form of obligatory charity that has the potential to ease the suffering of millions