Bokosi la nyimbo zokoka, lomwe limadziwikanso kuti bokosi loyendetsa nyimbo lachikoka, ndi chida choyimba chosangalatsa komanso chosangalatsa chomwe chimayatsidwa ndi kukoka chingwe chaching'ono. Chingwecho chikakokedwa, chimayamba kuyenda modabwitsa m'bokosi la nyimbo, zomwe zimapangitsa kuti nyimboyi imveke bwino. Phokoso lokoma ndi losangalatsa lopangidwa ndi bokosi la nyimbo limabweretsa chisangalalo ndi chikhumbo kwa iwo omwe amamvetsera.
Mabokosi a nyimbo zokoka zingwe nthawi zambiri amakhala ndi zokongoletsedwa ndi zokongoletsa, monga zithunzi zokongola, zojambula zovuta, ndi zilembo zoseketsa, zomwe zimawapangitsa kukhala chinthu chokondedwa kwa ana komanso cholandirika kwa akulu. Zochita zosavuta kukoka chingwe ndikumvetsera nyimbo zimatha kubweretsa chisangalalo ndi kudabwa, kupanga malingaliro amatsenga ndi matsenga.
Mabokosi a nyimbo amenewa amagwiritsidwa ntchito mofala monga zinthu zokongoletsera, mphatso, ndi zinthu zokumbukira, ndipo amakhala ndi malo apadera m’mitima ya anthu ambiri. Kaya ngati chidole chosewera kapena chikumbutso chamtengo wapatali, bokosi la nyimbo zokoka zingwe likupitirizabe kukopa ndi kukondwera ndi kukopa kwake kosatha ndi nyimbo zokongola.