BTW, im pretty sure this question hasn't been adressed prqoperly before.

If a character preps, what is the amount of impacts that their prep can transfer to? 

EXAMPLE 1: Viking McMighty preps, and then leaps towards his enemy, bringing down both of his swords onto the lad's head in unison. 
This is one action, both of the weapons have the same target and the same motion put into them. Will the prep be accounted to one impact, or to all of the attack's components? 

EXAMPLE 2: Gunslinger Mary is pissed off, and decides to put all of her preps into a vile minigun rampage.
I assume that while she holds the trigger down, it still counts as a prepped attack, but am i right? Or what if the post is written in such a manner, that blends several short bursts into one action: all of them fired off at the same target, in a short period of time and throught the action, the shooter remains stationary?