The elephant has to pay a fee to enter the rhino gate. It’s the entrance to the rhino territory. Elephants wait at the rhino gate to pay the fee and cross the rhino territory in search of water on the other end of the forest.
There are plenty of rhinos roaming around in the forest. They are sharp and strong. Have got strong hones that could even overthrow a lion. So everybody respects the authority of the rhino.
So, here is an elephant seeking permission from the rhinos to pass through the rhino territory.