Vertex cyangwa Vertex yerekana aho nuburyo imbaraga zabaye mubuzima bwambere zizagaragara muri ubu buzima. Inzu ya mbere yerekana imiterere n'imyitwarire yo hanze no kugaragara. Muri ibyo bibazo, ntushobora gufata icyemezo kandi ukirinda. Ukomeza ibintu guhagarikwa, cyangwa kubisubika mugihe gikwiye. Ibindi