So you can know were you were are
in inset map
on the map key
You would look at the scale on the map.
look where the map key is then look for that same symbol on the map
You would find it in the map key or legend
look at a world climate map
Look for the key in the front of it or if single page map, bottom corners usually
You would look for the map's scale, which is typically provided in a legend on the map. The scale will indicate the ratio between a unit of length on the map (such as an inch) and the actual distance it represents in real life. This ratio allows you to convert distances on the map to their real-world equivalents.
political map I would use a political map as well, but the most accurate map is a globe, even if it is a map of the continuities
It is a map of how the night sky would look at a specified place and time.
Look for the key in the front of it or if single page map, bottom corners usually
The find out what the symbols on a map mean you should look at the key. The key will normally be found near the edge or along the bottom of the map.