The West Wing Weekly 1.02: Post Hoc, Ergo Propter Hoc by CoenM

Question 4

A main story line from this episode is a less than supportive quote from Hoynes on AC3C, though we're never told just what AC3C is. This makes AC3C an exmaple of what DEVICE, an object referred to in a film or TV episode that drives the plot that is never clearly defined or seen?