Talent tree

From WoWWiki

A talent tree is one of the categories in which a class's talents are divided. It is so named because the talents branch out similar to a tree structure.

Class	Trees
Death knight	Blood	Frost	Unholy
Druid	Balance	Feral Combat	Restoration
Hunter	Beast Mastery	Marksmanship	Survival
Mage	Arcane	Fire	Frost
Paladin	Holy	Protection	Retribution
Priest	Discipline	Holy	Shadow
Rogue	Assassination	Combat	Subtlety
Shaman	Elemental	Enhancement	Restoration
Warlock	Affliction	Demonology	Destruction
Warrior	Arms	Fury	Protection