It is a time frame that classify heroes and villains that witnessed a certain war in the time line making people in a higher order stronger than people in a lower order. They are five types of Order.
First Order[]
This era hosts people that witnessed the Eternal-Charred Council War.
Second Order[]
This order consists of people that were in era of the Blackwatch-Elders War
Third Order[]
These are people that witnessed the era of the Doomzday-Ancient Alliance War
Fourth Order[]
People that were in era of the Injustice-New Alliance war
Fifth Order[]
It holds people that is present in the Resistance-Genesis War