God-fearing Christians believe that Jesus accepted crucifixion on a cross for the benefit of us all. The message from this is at the heart of all true Gospel preaching and consequently the cross symbol is used by two billion Christians all over the world.
This has not always been the case however. Christians didn’t use the sign of the cross as their religious symbol for many generations after Christ was crucified. Rather than being a Christian symbol of hope and love, it only had the negative association as an execution apparatus for criminals.
So initially, Christians adopted the fish symbol or the trident symbol to identify their religion. Then, early in the 4th century, when Emperor Constantine publicly declared that Christianity should be tolerated1, execution by crucifixion was abolished and the cross became the emblem for Christians.
The cross is now carried by more people than any other religious talisman and is considered by a few to be sacred to the extent that it becomes icon of adoration in its own right. However, such idolatry is certainly not the norm in Christendom, particularly Protestant Christianity.
In heraldry crosses are grouped into the following main categories:
The former () is often depicted as the type used to crucify Jesus, although we don't know for certain what the True Cross looked like.
Theologians and historians have long debated which type of cross was used for the execution. But whatever it was, the style doesn't matter as much as the meaning of the cross.
The Crux Immissa has a Patibulum (horizontal beam) inserted at right-angles to the upright post. Immissa means 'inserted', and this is the more common form of the Christian cross.
Another name for this cross is Crux Capitata, which means 'with a head'.
The Crux Simplex or Stipe, being a simple upright post, does not have the transverse beam found on other forms. The ancient Greek word for stake is stauros (n) and stauroo (v).
This simple post was common for crucifixions until the Phoenicians added a cross beam.
Crux Decussata comes from decus, Latin for 'distinction', 'honour', 'glory' and 'grace'.
The Roman numeral 'X' has a value of ten and is associated with 'completeness'.