What is the difference between parallel universe and different dimensions?
A parallel universe is one of an infinite number of universes that is defined by the set of every decision ever made within it, which means everytime anything is presented with multiple courses of action, a new universe is created for every possibility. These universes will never intersect (thus, “parallel”) Every universe (in theory) has nine different dimensions (I believe there are four of space and five of time). Four of them (three of space, one of time) are tangible to us. The rest are seemingly intangible to us, but they still affect us. Kind of like how a harp string is realyy thin and hard to see, but you can hear its vibrations. I’m not really an expert on quantum string theory, though, so this is a really simple explanation (believe it or not). You may want to look more into that. Or, you might not care.
