[action!]
[Dark corridors? Filing that away to ask about later...maybe that's not another word for the Lanes Between.]
Yes. They access the Lanes Between, but you can also use them for travel or racing on a world.
[And have a demonstration: Aqua summons her own Keyblade and tosses it into the air. It spins a few times, then changes and returns to earth as, well, a glider.]