A "cube-shaped" rectangular building in Makkah, known as "the House of Allah", the most venerated sanctuary of Islam, and significant for a great many historical and religious reasons.

A disbeliever.

"Word," "utterance," or even "proclamation." The basic statement of iman, namely "There is no god except Allah and Muhammad is the Messenger of Allah," is known as the al-kalimah at-tayyibah - "the good word" - or al-kalimah at-tawhid - "the word of unity." The phrase of testification of faith is known as al-kalimah ash-shahadah.