It’s interesting — one of my favorite moments about time travel or even time travel exposition came from the screenplay of Looper.
The final film has this lovely scene where you have Joseph Gordon-Levitt and Bruce Willis sitting across from each other, so two versions of himself, and he asks Bruce Willis, ‘So how does this work?’
In the screenplay it goes a little bit different.
‘So here’s the timeline we’re on, and the things we’re affecting.’