Loluphi ulwazi olufunekayo ukuthumela intengiso?

Ulwazi oluyimfuneko lunokubandakanya: isihloko, inkcazelo, udidi, ixabiso, indawo, ulwazi loqhakamshelwano, kunye neemeko zokuthengisa. Qinisekisa ukuba unikezela ngolwazi oluchanekileyo nolubanzi ukuze kulungele ukuqiqa kunye nomdla kubathengi abanokubakho.