Iconology n. : The discussion or description of portraiture or of representative images. Cf. Iconography.

Example:
Iconology in art and buildings?

Taxonomy
iconography, painting, Christian iconography, art history, depictions, theory, religious iconography, Iconography of the Buddha, Christian art, collections, religious painting, free encyclopedia, distinction, discipline, Iconclass, Christ, Mary, specialists.

Defination from the web:
Iconology and Iconography, although the definitions and so the distinction made varies. Contents ... of "iconography" (put simply, the identification of visual content) and "iconology" (the analysis of the meaning of that content), has not been ...