ROFT: The rush order flow time represents the time it takes for one flow unit (a car, a customer, a dozen
cookies) to go through the system from beginning to end without any waiting. It’s simply the flow
time minus the wait
A person pretending to be something they aren't, or an impostor. This is inferred because of the old alien movies where alien pods appear on earth and the "pod people" dispose of the humans and slowly reproduce the bodies, pretending to be humans.
The pod person was pretending to be my father, but I knew that he was an alien when he acted differently than my father ever would have.