| A | B |
| Sunnah | Source based on Muhammad's life that Muslims use as a model for their duties and way of life |
| Hajj | The fifth pillar of Islam, pilgrimage to Mecca |
| Kaaba | Important shrine in Mecca |
| Shariah | Set of writings and opinions on Islamic law used to judge the rightness of actions |
| Hegira | Muhammad's departure from Mecca to Medina in 622 |
| Qur'an | Islamic holy book of God's messages |
| Islam | The religion practiced by Muslims |
| Nomads | People who travel from place to place with thier herds |
| Desert | the type of climate found in Arabia |
| Sedentary | way of life in which people settles in towns |