Kwambuka: Ukwezi Umwanya Impinga
Soma: Kujugunya, Ikibazo, Impinga.
Ukwezi kwerekana ubuzima bw'amarangamutima na buri munsi. Vertex cyangwa Vertex yerekana aho nuburyo imbaraga zabaye mubuzima bwambere zizagaragara muri ubu buzima. Muri ibyo bibazo urabogamye, uhangayitse, urwanya ibihe, kandi kubera iyi myitwarire yawe, uzahura nibibazo byinshi bikomeye. Inshuro nyinshi wumva wicujije, uhangayitse, uhangayitse kandi wihebye. Gutandukana ku gahato no kwimuka birashoboka. Ibindi