"Istikhlāf": appointing someone as a deputy or successor. It is derived from "khalaf", which means: replacement, substitution.
Tījāniyyah
"Bay‘ah": pledge of allegiance, going into a contract or an agreement. It is also used to refer to obedience to the ruler.
The supreme leadership position in a country.
The procedure wherein the ruler confiscates a specific property from its owner by force and turns it into state property without compensation to the owner.
Ruling the Muslims and being in charge of their worldly and religious affairs.
Allocating of a share of money by the ruler from the Muslim Treasury to some of those who deserve it.
The employee appointed by the ruler or his deputy to collect due Zakah (obligatory charities) from people.
Equipping a soldier with money, weapons, and the like, and dispatching him to fight the enemy.