Armor Proficiency
Canny Defense
Cleave
Dodge
Mobility
Powerful Shot
Powerful Strike
Shield Proficiency
Spring Attack
Weapon Proficiency

Being proficient with an armor or shield means you do not apply the armor penalty to your attack rolls, Dodge DC, or Reflex saving throws. If you have a Strength modifier equal to or greater than the armor bonus (before enhancements), then you also do not apply the penalty to your speed.

Being proficient with a weapon means you gain a +3 proficiency bonus to attack rolls with it and gain the benefits of its properties.