Ivyuma vy’ivyuma bitagira umunyu, bizwi kandi ko ari ibitoke vy’umukara, birakoreshwa cane mu masoko y’ibikoresho vyo mu nzu no mu masoko y’ugushaza. Yateguwe kugira ngo ashobore gutorera umuti intege nke z’intete zipfutse ku mapanshi y’ivyuma bitobito n’imirongo y’ivyuma bitobito, nk’impengamiro yo gushonga n’impengamiro y’indodo zo mu mutima kugira ngo zinye, icuma c’icuma kitagira ibara ntigisaba gutera indodo canke gusudira, bikaba bituma umuntu agira umutekano, akora neza, kandi yoroshe -.
Ivyuma vy’ivyuma bitagira umunyu birashobora gushirwa ku rupapuro rumwe canke ibipande bibiri, bikaba bikora nk’uruzitiro n’intete. Birabereye kandi ibikoresho vyugarijwe bishobora gushikira gusa ku ruhande rumwe. Ikindi kandi, ku bikoresho vy’ivyuma vy’umuco bisaba amahuzu y’indodo, ivyuma vy’ivyuma bitagira ibara biratanga igishushanyo c’ivyuma bikomeye kandi bibereye.
Ivyuma vy’ivyuma bitagira umunyu biraboneka mu buryo buringaniye, buto buto, - umutwe, n’igice c’imiterere, n’imiterere y’ivyuma, n’imirongo y’ivyuma, imyobo y’impumyi, n’amahitamwo atagira ibara.
Ivyuma vy’ivyuma bitagira amababa bikoreshwa cane mu guhuza ibipande mu nganda nk’ugucungera ubwato, imodoka, indege, ibikoresho vy’amashanyarazi, ibikoresho, ibikoresho vy’ivyuma, n’ibikoresho vyo gutera hejuru. Bitanga ibikorwa vyoroshe, amasano yizigirwa, ubwiza bushimishije, n’ugukoresha inguvu nke be n’ubushobozi bwinshi. Uguhinduka kw’intete z’icuma zitagira ibara risa n’uburyo bwo gutera imbere bw’igice canke umuyoboro w’amazi, kandi urugero rw’uguhinduka kw’ivyuma vy’ibara ry’agahama muri rusangi bigaragazwa n’umurongo w’ivyuma.
Kubera ko icuma c’icuma kitagira ibara gihinduka mu gipimo c’umurongo ku mpera zompi, gishobora guhangana n’imibabaro mikeyi kuruta gutera imbere mu gipimo c’imirongo mu bihimba canke mu miyoboro y’imiyoboro. Inyuma yo gutera ivyatsi, ivyuma bitagira ibara biragabanuka mu burebure, n’ingero y’ugucika intege zijanye n’ubuhinga n’ingero z’ico kintu. Kugira ngo igipimo c’ugushushanya ntikirenga agaciro k’ivyo umuntu ashobora gukora no gutuma haba imisatsi, bitegerezwa gucungerwa.