Ma'anar ƙamus na kalmar "Rawar karya" salo ne na raye-rayen titi wanda ya samo asali a tsakanin matasan Ba'amurke da Latino a Kudancin Bronx na birnin New York a farkon shekarun 1970. Ana siffanta shi da motsin motsa jiki da motsa jiki, kamar juzu'i, daskarewa, jujjuyawa, da madaidaicin kai, waɗanda ake yin su zuwa gaɗaɗɗen kiɗan hip-hop da kiɗan funk. Sigar raye-raye kuma ana kiranta da "breaking" ko "b-boying" a farkon shekarunsa kuma ta samo asali zuwa tsarin fasaha mai gasa tare da nasa tsarin dokoki da sharuddan yanke hukunci.