The term 'Trip to Mecca (Var.)' can be abbreviated as 'Haj' which is a three letter word. Haj is an Islamic pilgrimage to Mecca, Saudi Arabia, the holiest city for Muslims. It is one of the five pillars of Islam and is mandatory for all able-bodied Muslims who can afford it. The Haj is a spiritual journey that involves visiting holy sites in and around Mecca, including the Kaaba, the holiest site in Islam.