Caster

Caster refers to those character classes that use magic in its myriad forms. Some casters are referred to pure casters; ie. Magician, Wizard, Enchanter and Necromancer. Some classes are referred to as hybrid classes because they use magic as well as melee attacks; ie. Shaman, Ranger, Shadowknight, Paladin and Beastlord.

INT casters refer to those pure casters whose primary attribute is Intelligence such as Mage, Wizard, etc and WIS casters to those whose power derives from their Wisdom such as Shaman, Beastlord, etc