First of all, all of this information is based on other posts here and across other boards, if I'm missing anything don't be afraid to tell me :P
Power
Attack Power (AP) - increases Physical Attack Damage
Dexterity (DX) - increases Physical Attack Speed; the lower the DX, the faster you attack
Accuracy (AC) - increases Physical Attack Hit Rate; increases Gun Attack Damage
Magic
Magic Attack Power (MA) - increases Magical Attack Damage
Magic/Mana Point (MP) - increases Maximum Mana Points
Magic Defense Power (MD) - decreases Magic Attack Damage recieved
Sense
Weight Capacity (WT) - increases amount of weight your character can hold; increases bank storage weight capacity
Detection Ability (DA) - increases Sense's Throw Damage; increases the chances of gett