For several centuries the pose in a portrait served as a key element, and was often joined chiefly with the sitter’s clothing, and occasionally the background, as crucial supplements. These three elements — the body held, covered, and situated — were enlisted to support the emotional meaning of the work. Moreover, the elements were generally in service to the look on the subject’s face. This look was meant either as an expression of a true identity or as a comment on the world (including the viewer) onto which the subject looked. The resulting overarching emotion might embrace hauteur or graciousness or melancholy, emotions that could possess an ironic cast, but were often presented as pure and unadulterated. This complex of emotions is usually what catches us and holds us, inviting us to return gaze for gaze, to repay alert sensitivity with open absorption.
More… “In Honor of Faces”