function of Islam

After believeing on Allah there are five pillars of islam that we have to performe that:


The Five Pillars of Islam (arkān-al-Islām أركان الإسلام; also arkān ad-dīn أركان الدين "pillars of the religion") are five basic acts in Islam, considered obligatory by believers and are the foundation of Muslim life. These are summarized in the famous hadith of Gabriel.
The Quran presents them as a framework for worship and a sign of commitment to the faith. They make up Muslim life, prayer, concern for the needy, self purification and the pilgrimage. They are:

1. belief (kalama)
2. worship (namaz)
3. charitable giving (zakat)
4. fasting during the month of Ramadan (sawm) (roza)
5. the pilgrimage to Mecca (hajj) at least once in a lifetime. (hajj)

1.