It tells what all the symbols and marks mean on a map.
Another name for a map legend is key.
The key of the map explains all the symbols used on the map.
Key
Map legend.
The part of a map which explains its symbols are called legends/map symbols.
the key or legend
map legend
A map KEY.
map key
The symbols on a map are defined in a key. The key defines each symbol so one can properly read a map.
the key of the map. Or the map key. they are the same thing
A legend on a political map is like a map key. It tells what different symbols stand for on the map.