Those symbols on the superior right corner indentifies what kind of equipment the charachter can use.

The information is pretty much like Yu gi oh : If it isn't telling you things about the charachter on the card, it will be an effect.

So, the Power is what inflicts damage on the HP of the opponent card. Your PWR minus the Foe's DEF will be equal to the damage caused to the Foe.

Dexterity will be useful when the opponent's card's info mentions an effect which will use DEX. Normally, it's aquestion of how high or low is your DEX.

MP can be used to play Magic Spell cards. Now that's the thing that can indentify a Mage class : Most of the MS cards requires the use of +15 MP and Mage classes have +15 MP. Warriors have very low MP, yet there are MS cards that can be played with low level MP.

The Name also, does not refers to the In-Charachter name, but to the Class/Job.

there are Warrior 1, Warrior 2, Warrior 3, Warrior 4 and Warrior 5. They are called exactly like that, but since Warrior is a common class, there are many of them, some unique classes can be added to your deck like " Famous Baker " , " Dagger Seller ", " White Ninja " and " L-Range Gunner "