Incident Command System. The Incident Command System (ICS) is a standardized approach to the command, control, and coordination of emergency response[1] providing a common hierarchy within which responders from multiple agencies can be effective.
2. redact-prepare for publication or presentation by correcting, revising, or adapting; Edit a book on lexical semantics; she edited the letters of the politician so as to omit the most personal passages. edit.
Revoke means to undo or call back and terminate means to finish or end. The implication is that the person who revokes something was its creator in the first place. To have power to terminate something isn't necessarily linked to being the author of the thing. A law can give a court power to terminate contracts that is infringe certain rules, for example.