It's kind of a mysterious process, but something will catch...
It's kind of a mysterious process, but something will catch my attention, and I'll make a note about it. I may even write a few pages about it, and then I'll put it aside, but I'll sort of keep it in mind. Then as time goes on, other things will gather to it as if it's a magnet, almost, and eventually, there's enough to make the story.