Vertex cyangwa Vertex yerekana aho nuburyo imbaraga zabaye mubuzima bwambere zizagaragara muri ubu buzima. Inzu ya gatatu yerekana ingendo n'ibikorwa byo mu mutwe. Muri ibyo bibazo urakora kandi ugahora uhindura ibintu neza hamwe nubutsinzi. Ibindi
Garuka