Umsebenzi wesikhokelo somgca kukuxhasa kunye nokukhokela iinxalenye ezihambayo, ukubuyisela ukunyakaza okuhambelanayo ngokolwalathiso olunikiweyo.Ngokweempawu zokukhuhlana, isikhokelo esishukumayo sinokwahlulwa sibe sisikhokelo sokutyibilika, isikhokelo sokukhuhlana, isikhokelo sokukhuhlana okulastiki, isikhokelo sokukhuhlana kwamanzi njalo njalo.