Five Pillars of Islam arkān al-Islām أركان الإسلام arkān al-dīn أركان الدين pillars of the religion

The Five Pillars of Islam (Arkan al-Islam pillars of Islam; also Arkan al-Din pillars of religion "pillars of religion") are five basic acts in Islam, considered obligatory for believers and are the foundation of Muslim life. Are summarized in the famous hadith of Gabriel.
They make Muslim life, prayer and concern for the needy, self-purification, and the pilgrimage. They are:

     Shahadah: declaring that there is no god but God and Muhammad is the Messenger of God
     Salat: the ritual prayer five times a day
     Zakat: giving 2.5% of the savings from one to the poor and needy
     Sawm: fasting and self-control during the holy month of Ramadan
     Hajj: the pilgrimage to Mecca at least once in life if one is able to
The Shiites and Sunnis both agree on the essential details for the performance and practice of these acts, but the Shiites do not refer to them by the same name (see Auxiliary of the Faith, for Twelvers and Seven Pillars of Ismailism) .