Question

why do we use different symbol on a map

Answer 1

Hi 
We use different symbols on map to show different places or regions .

Answer 2

map is a two dimensional representation of the earth. the space provided in the map is limited. it is not possible to write or draw every details in the map . therefore we used universally accepted symbols called conventional sysmbols which help us to distinguish each and every distinct object in a map. theses symbols are accepted by people in every part of the world