There is no god worthy of worship except the one God, the source of all creation, and Muhammad is the messenger of God.
Five time daily, a Muslim prays, facing the city of Mecca as a direct link to God.
A Muslim gives generously to charity, as an act of purification and growth.
A Muslim fasts during the month of Ramadan, as an act of self-purification.
If physically and financially able, a Muslim makes a pilgrimage to Mecca.
All of the above.