* General: Millions of Muslims from around the world perform the hajj pilgrimage to Mecca each year.
* Personal: My grandmother is planning to go on the hajj next year.
* Historical: The hajj has been a central pillar of Islam since the 7th century.
* Religious: The hajj is one of the Five Pillars of Islam.
* Descriptive: The hajj is a physically and spiritually demanding journey.
The word "hajj" can be used both as a noun and as a verb, depending on the context.