Every map has different symbols and meanings to represent a feature. The legend at the bottom of every map has the symbols and their meanings.
key
The index of a map could be a list of places with their grid references, or it could be a list of symbols and their meaning as used on the map - usually known as the map's legend.
Symbols are small, well, symbols that are ON the map. The Key is off to the side, and tells you what the symbols mean.
Map symbols take up less space than writing. Writing may cover important detail on a map. Map symbols are printed in a legend at the side of the map.
The part of a map which explains its symbols are called legends/map symbols.
Collectively, the symbols, with their meanings, on a map are called a 'legend'.
Legend
Collectively, the symbols, with their meanings, on a map are called a 'legend'.
A legend.
Collectively, the symbols, with their meanings, on a map are called a 'legend'.
A list of symbols and their meanings, details of scale and distance, compass points information - magnetic, true, grid north, and so on, is usually found in a map's margin.
Such a list is known as either the 'legend' or the 'key' of the map.
A legend, as printed on a map, is best described as two columns: one showing a list of symbols used on the map, and the second showing a list of their meanings in words. There are other meanings to the word legend: For example: Johnny Cash was considered to be a legend of the Country Music Scene.
key
A map key, known as a legend.
The map key is a list of symbols and their meaning used in the map.
The map key is a list of symbols and their meaning used in the map.