Violence is physical abuse that is meant to harm.

Undue violence or overuse of violence is a charge, and extreme violence can produce results varying from squicky to unintentionally hilarious.

The Disturbing Acts of Violence Department takes care of badfics that primarily feature violence, usually the extreme cases. Proponents of the DAVD Conspiracy Theory believe that they also cause the disturbing acts of violence they're named for, but this is only true of the mirror DAVD.