The process of writing something clear and linear clarifies thinking. And we could debate this probably endlessly, but I now believe that it is the work of writing to create a linear document. It doesn't matter if it's fiction or a tech document or a white paper, whatever, such that somebody else can come along with all of the language and context in their head. And they can read what you've written and they can update their mental models to understand what you want to communicate. That's actually the skill of it.