As you navigate the infinite expanse of the multiverse, you'll find that there's more to reality than just one reality.
It's simple: the multiverse is made up of infinite realities, all of which are slightly different from our own. Don't worry, it's not that complicated.
Now that you've got the basics down, it's time to get fancy. Learn how to traverse the multiverse with style.
Don't be a multiverse tourist, respect the realities you visit. Learn the ways of multiverse etiquette.