Does it refer to the creature's dimensions or to the area that a creature controls in combat? And if a creature changes in size, does that inherently entail a change in the creatures physical dimensions or merely its area of combat control?

My swordsage just got the maneuver Hand of Death: This maneuver functions only against flat-footed opponents. As part of this maneuver, you make a melee touch attack against your opponent. If this attack hits, your opponent must make a successful Fortitude save (DC 14 + your Wis modifier) or be ...

Lesser Oni are a race of creatures very closely related to true Oni. They appear to be shorter and possess less magical power. Lesser Oni are considered to be younger Oni whose power is still growing. Is this race imbalanced or confusing? Ability Score Increase: +2 Str; +1 Cha Size: Oni stand at...