There are 3 types of classes
Monopolic class – This class focuses on using mana as Astral-coat/spell/ritual. [ Example : Swordsman ,Spearman, Alchemist ]
Bipolic class – This class allows you use mana as any two of the following three i.e. aura/spell/ritual. [Example: Elemental Swordsman { Astral-coat and Spell}, Elementalist{Spell and Ritual}, Guardian {Spell and Astral-coat}.
Tripolic class – This class allows you to use mana as all three ways such Spell/Aura/Rituals. [Example: Necromancer , Shadow Sorcerer]
Astral-coat: Mana is coated on your body/Weapon.
Spell: Calculative way of projecting mana
Ritual: This methods is a prepared using materials and mana is channelled in a way of the diagram/direction.