Muchidzidzo cheTaranyika, chisuvi chemvura (watershed in English) zvinoreva nzvimbo yakakwirira yokuti kumativi ayo nzizi dzinoyerera dzichienda kwakasiyana. Nokumwe kutaura nzvimbo yakakwirira inopatsanura nzizi inonzi muzanda. Somuenzaniso muZimbabwe chisuvi chemvura chinotevedza nzvimbo dzakakwirira pakavakirwa maguta anoti: Harare; Chegutu; Kadoma; Kwekwe; Gweru neBulawayo. Kune rimwe divi nzizi dzinoyerera dzichienda kuMaodzanyemba kunodira kuna rwizi Zambezi. Nzizi dzinoti: rwizi Mazowe; rwizi Munyati; rwizi Hunyani dzinoyerera dzichinodira muna Zambezi. Nekune rimwe divi dzinoyerera dzichienda mabvazuva dzichinodira muna Rwizi Runde naRwizi Save. Divi iri rine nzizi dzinoti: rwizi Tokwe; rwizi Chiredzi; rwizi Mutirikwe dzine mvura inonopinda kuMozambique ichinodira kugungwa reIndian Ocean. VaSwahili vanoti tengamaji (watershed, divide).