Explanation

Hajj is a sacred pilgrimage that is required of every Muslim at least once in their lifetimes

Hajj is a pilgrimage made to the Kaaba, the "House of Allah"

It is one of the Five Pillars of Islam

Verbal meaning of Hajj is The will to visit

There are 3 Farz, 10 Sunnat and 6 Wajibat in Hajj

Farz in Hajj are Three (3)

Farz in Umrah are Four (4)

There are three different types of Hajj namely:
Hajj-ul-Ifrad.
Hajj-ul-Qiran.
Hajj-ul-Tamattu.