When a ship is afloat or water-borne the waterline divides the sides into ship's side above the waterline and bottom below it.
Xa inqanawe idada phezu kolwandle okanye ime phezu kwamanzi, le ndawo inqanawa idibara khona namanzi, yahlula icala lenqa na wa eliphezu kwamanzi neli lingaphantsi kwamanzi.