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Blademaster: A playable character class that uses swords. This class is probably more accurate than others and has average stats. This class is used by Orca of the Azure Sea, Balmung of the Azure Sky, Bear, Mia, Rachel, Nova, Chimney and Marlo.
Heavy Axe: A playable character class that uses gigantic axes to deal heavy damage and has the greatest defense. This class is used by Subaru, Piros, and Terajima Ryoko.
Heavy Blade: A playable character class that uses broadswords and katanas to attack enemies. This class has the highest attack power of all the classes in the The World. This class is used by Mimiru, Rena, Sanjuro, and BlackRose.
Long Arm: A playable character class that uses spears and lances, utilizing the long range of their weapons in battle. This class is used by Crim, Nuke Usagimaru, Kamui, Albireo, Gardenia, and Sempai.
Twin Blade: A playable character class that uses identical dual blades. This class has average attack power, and is known for their superior attack speed and travelling speed. This class is used by A-20, Shugo, Sora, Moonstone, Natsume, and Kite.
Wavemaster: A playable character class that uses staves and long-range magic rather than melee attacks. This class has the lowest attack power and players using this class should avoid close combat. This class is used by B.T., Mireille, Tsukasa, Elk, Helba, Wiseman, Kazu, Hotaru, Hokuto, and Mistral. They are the only classes that can use Level 4 Summoning Magic.

Thats pretty much it...i prefer the wave master!

i actually got it off some weird site but i guess if you saw it on wikipedia they got it off there >.<