★ Symmetrical structure nwere ike ịwụnye mpempe akwụkwọ abụọ n’otu oge , Enwere ike iji akwụkwọ maka enweghị nkwụsị maka ọrụ ; Na-akwado usoro ịkwọ ụgbọala iji mezue mpempe akwụkwọ ahụ, na-ebuli elu, na-atọghe, na-aga n'ihu, na ntụgharị ntụgharị, wdg.
★ onye obula