"Professional Wrestling" is made to appear more violent than it is. If it were completely real, wrestlers would be getting seriously injured in every bout, and wouldn't be able to perform. It has come to include hyped personalities, flamboyant moves, simulated fistfights, and other entertainment aspects for the audience.
WWE is considered sports "entertainment". The company includes scripted storyline, segments and pre-determined matches. The wrestling is for the most part fake, but they make it look as real as possible. However that doesn't mean the wrestlers don't get hurt, injured or bloodied by mistake.
If it weren't fake, they wouldn't have superstars for more than 2 or 3 years because of injuries. But not everything is fake: if they fall from a ladder through tables, it DOES hurt.