Noh's power and energy emanate from several sources. First, the stylized movement patterns of its actor-dancers are generated from a strong, erect bodily posture which displays a firm yet relaxed tension. This basic posture is centered at the abdomen and suggests anticipation, like an archer taking aim just before releasing an arrow. This strength is further distilled through the delicately carved masks or on the faces of maskless actor-dancers, in both cases frozen in neutral expressions, which in fact allows a variety of expression through the changes of angle by which they are observed.