Uli (Uri) nke a bụ atụmatụ ọdịnala curvilinear nke ndị Igbo bi na ndịda ọwụwa anyanwụ nke Naijiria sere . Nhazi ndị a na-abụkarị ihe na-adịghị ahụkebe, nke nwere ụdị ahịrị na ọdịdị jiometrik , n'agbanyeghị na e nwere ụfọdụ ihe ngosi. Na omenala, ndị a na-enwe ntụpọ n'ime ahụ ma ọ bụ na-ese n'akụkụ ụlọ dị ka ihe osise. Nhazi na-adịkarị asymmetric ma na-esekarị ya n'otu oge. Uli adịghị nsọ n'ozuzu, ma e wezụga ihe oyiyi ndị ahụ e sere n'elu mgbidi ụlọ arụsị ma mepụta ya na ụfọdụ ememe obodo. Na mgbakwunye, uli abụghị ihe atụ kpọmkwem kama kama ọ na-elekwasị anya na ịmepụta mmetụta a na-ahụ anya na ịchọọ ahụ nke onye na-elekọta ma ọ bụ ụlọ a na-ajụ. Igbo Art in Social Context, Page 8 - Art & Life in Africa - The University of Iowa Stanley Museum of Art. africa.uima.uiowa.edu. Retrieved on 2019-03-19. Ottenberg (2002). "Sources and Themes in the Art of Obiora Udechukwu". African Arts 35 (2): 30–92. DOI:10.1162/afar.2002.35.2.30. ISSN 0001-9933.