the Legend
The key or legend contains this information.
The part of a map that contains the information that explains what the map's symbols mean is called either the legend, key, or origin.
The legend.
The Legend.
Key
The key.
The aleant ocean is the world that is the symbols
'Key' contains the information of what symbols mean on map.
the map's key
The key.
I think that it is the Key.
key