Key
It is known as the "Legend".
the legend
The legend.
The legend.
The part of the map that contains information on what the symbols mean is called the key or the legend. Often, modern maps that we look at online don't have this essential part of the map, since these maps are easier to look at and understand than paper maps made earlier.
The legend of the map also contains important information and all of the thematic symbols of the map. Symbol that need no explanation, or do not coincide with the theme of the map, are normally omitted from the map legend. Thematic symbols directly represent the maps theme and should stand out. Hope this helps!! :-)
In the Google Maps road symbols legend, you can find information about the different symbols used to represent various types of roads, such as highways, streets, and freeways. This legend helps users understand the meaning of each symbol on the map.
The aleant ocean is the world that is the symbols
the map key
the east west
A map key contains information on what the symbols on the map means. The map key is usually found on one of the bottom corners of the map and is usually inside a small box.
The part of a map which explains its symbols are called legends/map symbols.