Answer:
The cross is a symbol of the crucifixion of Jesus Christ in 30-33 A.D. It is widely used as a symbol of Christian faith, in churches, Christian organizations, and as a personal ornament.
A crucifix is a cross with the figure of Jesus Christ on it. It is widely used in Catholic and Lutheran circles.
According to the Bible, Christ died on the cross to save us, taking our punishment by dying on the cross. Paul writes in Colossians 1:20 that Christ made peace "through his blood, shed on the cross."
There are many examples of the symbolism of the cross in history and in art. The Roman Catholic, Eastern Orthodox, and Protestant churches have used it as a symbol in many different ways. Certain Calvinist churches, such as the Pilgrim fathers and the first Puritans in America, have refrained from using the cross, feeling that such symbolism detracts from the true worship of God.
The crosier is a cross carried by a bishop or archbishop, and symbolizes their position in the church.