Umrah : A minor haj, not obligatory but a sunna.
Haj: Haj, like Namaz, zakat, and fasting in the month of Ramzan, is an obligatory duty in Islam included among its fundamentals. it is performed in three different forms.
1. Ifrad: To perform the haj exclusively. haj first no umrah before it.
2. Qiran: To perform both umrah and haj together in one ihram first umrah then haj.
3. Tamattu: First Ihram is worn only to perform the umrah in the months of haj and thereafter to perform the haj with a new ihram during the same journey without returning home, i.e. with two different ihrams and two different intentions separately.