The Importance of Exposition in a Movie

I like sliders going through the portal. They just needed that more because there's a lot of portals in this movie and I didn't understand what they were doing. My thought is that basically when Parzival walked in then he activated. It would be the worst computer system. You have to have like powers multiple infinite content consciousness. As you know. If a character says as you know. Instantly know you need to work on that exposition because it's a force. Is it also weird that with all the exposition they didn't describe things that. Like why the journals had why do you have to physically walk in the oasis to all the big them is that we are the big