Iyi mbumbanyigisho iribanda ku mateka y’ubusizi nyarwanda by’umwihariko, ndetse n’ay’ubuvanganzo nyarwanda muri rusange. Iyi mbumbanyigisho kandi isobanura inshoza y’ubusizi, ikerekana ubwoko butandukanye bw’ubusizi ndetse n’ubuhanga butandukanye bukoreshwa mu busizi n’uburyo ibihangano nyabusizi bishyirwa mu byiciro bitandukanye hagendewe ku buhanga buba bwabikoreshejwemo. Iyi mbumbanyigisho kandi yigisha ibigenderwaho mu gusesengura ibihangano nyabusizi, ikerekana n’iminozanganzo ikoreshwa mu busizi haba mu mvugo cyangwa mu nyandiko.