The Kaaba is an important symbol of Islamic faith, representing the holiest site in Mecca for Muslims. Many words are used as synonyms for the word Kaaba, including, House of Allah, Bayt Allah, House of God, and Baitul Haram. It is also referred to as the Sacred House, the Holy Mosque, and the Ancient House. The word Kaaba itself means a cube in Arabic, which describes the shape of the building. The Black Stone of the Kaaba is also an essential part of the Kaaba, and it is often used as a synonym for the holy site itself. Whatever name one may use, the Kaaba remains a critical part of Islamic faith and an important destination for millions of pilgrims every year.