I... guess you could call it that, kind of. But think of it like this.

[cue the zero escape music]

Remember that time you broke into my house? We'll call that "World A". Now, let's say that instead of breaking in, you saw me coming home first. Because of that, you went somewhere else. That choice creates a different world— "World B". If you believe in parallel worlds, that means that Worlds A and B exist at the same time.

You follow?