Blue on a map usually represents water. If it is a road map, blue is often the smaller roads.
Water represents a blue line on a map.
The blue line on a map usually represents a stream of water!
the Borders
a river
Usually represent a stream, river, or other body's of water.
A stream,river or another body of water.
I assume you are talking about a political map. In that case it would be donkey or Democrat.
Non-land dwelling animals
The blue shading on a map usually represent an area or body of water. Aquatic animals normally live in these areas on the map.
The blue shading on a map usually represent an area or body of water. Aquatic animals normally live in these areas on the map.
On a map, black dots usually represent capital cities.
Blue on a map usually denotes water. Blue lines could be streams and rivers.