Combination of signs-glyphs on staffs, breastplates, appendices, feathers, and body paint, all of which determine the iconographic character of the figures on the Portada del Sol. Drawing by Chiongwend Lhi.
Isbell, William H.; Uribe, Mauricio I.; Tiballi, Anne; Edward P. Zegarra, 2018, "Visual database", https://doi.org/10.25346/S6/1B33FN.