IsiCibazulu , noma isiKhafulimlilo yisithuthi esisebenzisa impokozo yomzoyizelo ukuze ziphangise ngaphandle kokusebenzisa umoya osizungezile. Isilumbamdili sesiCibazulu ikhiqiza ukuphokoza kokulumbana kohowo okukhishwa isiphafuzisi ngejubane elikhulu. Izilumbamdiki zesicibazulu zisebenza ngokugcwele ngeziphokozisi ezithwalwa phakathi kwazo; ngalokho isicibazulu singandiza phakathi kwelinya lomkhathi. Eqinisweni izicibazulu zisebenza ngokufanele elinyeni futhi zibhekana nenhluluko yokuphokoza ngenxa yengcindezi/umfutho womoyambulunga ozivimbayo.