Wav is a letter of the Arabic alphabet with a numeric value of 6. The ‘waaw’ is the twenty-seventh letter of the Arab alphabet. It represents number six and belongs to the element of air. For the Sufi masters this letter symbolizes the mystical promise of the total assent to God. Shaykh al-Qashani remarks that this letter denotes the universal aspect of the whole. http://www.chishti.ru/s_s2.htm Waw is a letter of the Phoenician and Hebrew alphabet with a value of 6.