Linear and make sure that one chapter is "perfect" before moving to the next part.
It's like the words are skipping stone and the word processing document is the water.
I've got bursts of dialogue from 16 different sections*. Now I've got to "connect the dots". At least I have my last line.
*I probably have another dozen or so snippets to add before I start trying to make sense of this madness in earnest.