Everything in our universe can be said to be matter, universe or rules that govern it. So can you think of something other than that which a universe can have? (I'm not even sure if I understand this question but still) I know it's hard for us to think of something that we do not know but can we have something other that matter, space and rules that govern them. I'm not really writing a sci-fi novel/movie but I suppose this question best fits here. Also hope my question makes sense!