Isikhokelo somgca kukuxhasa kunye nokukhokela iindawo ezihambayo, ukuphindaphinda isindululo somgca ngokwesalathiso esinikiweyo.Ngokweempawu zokukhuhlana, isikhokelo esishukumayo sinokwahlulwa sibe sisikhokelo sokutyibilika, isikhokelo sokukhuhlana, isikhokelo sokukhuhlana okulastiki, isikhokelo sokukhuhlana kwamanzi njalo njalo.