Strength governs how much Armor a character has and increases Barbarian's damage dealt.
Each point of Strength gives:
Dexterity governs the chance that a character will Dodge an attack and increases Demon Hunter's and Monk's damage dealt.
Each point of Dexterity gives:
Intelligence governs the amount of Life a character gains from Health Globes and increases Wizard's and Witch Doctor's damage dealt.
Each point of Intellect gives:
Vitality governs the amount of Life a character has.
Each point of Vitality gives: