Conqueror’s Haki / Haoshoku Haki

Domination: Overcome the willpower of others rendering them unconscious.
Domestication: Tame wild, ferocious beasts into pacification.
Destruction: Destruction of surroundings occur during constant exertion of Conqueror’s Haki waves.

Observation Haki / Kenbunshoku Haki

Perception: Able to sense others auras, power levels, and emotions beyond normal human sight.
Prediction: Able to predict opponent’s action within the users minds-eye to aid with mobility and dodging.
Precognition: Able to view the immediate future.

Armament Haki / Busoshoku Haki

Complementary: Use of Armament Haki to a non haki user or a weaker haki user will augment the user strength during a attacks.
Circumvention: Armament Haki is able to bypass devil fruit created defenses or properties.
Concentration: A hardening or coating of Armament Haki making the user denser and sturdier. also used for weapons to have the same effect.

*Theory by SeoujiTheKid