Abilities
Much like in Kingdom Hearts, Sora, Donald and Goofy as well as world specific characters each have their own unique abilities. The order you unlock Sora's abilities depends on which weapon you chose at the start, I chose the sword which works out well but in the long run they turn out just the same.
Abilities can be selected and equipped in the
Abilities Menu, abilities cost a certain amount of
AP and when you've ran out of AP you can't equip any more abilities unless you unequip another to make room for the new ability.
The items called
AP Boosts increase a characters AP by 1, these aren't rare items and there are plenty of them in the game lying around in chests and such.
Lion Form Abilities