That is, writing down the scenes that are playing in my mind at the moment rather than trying to make a perfect timeline and go from the start to end in order (and I am keeping track of the timeline and such, just being way more flexible)
Because as I decide certain things need to happen I realize, "Well, then they need to not know X fact yet, because they'll look like jerks if they know that and behave this way, so I need to move this to later..."