On an OS (Ordnance Survey) map, a railway station is typically represented by a blue square or rectangle. This symbol helps to easily identify the location of railway stations within the map's layout. Additionally, the railway lines themselves are usually depicted in a bold black line.
Contour lines or shading are typically used to depict craters and hollows on a map. These lines or shading indicate changes in elevation, helping to visually represent the topography of the land and show depressions or elevations on the map.
A scale factor
A compass is used to show direction on a map. It indicates the cardinal directions (north, south, east, west) and helps orient the map to match the real-world direction.
A house symbol is used to show a city on a map. It can be a single house or a cluster of houses.
A red line is used to show an open railway station. This answer is correct because if you were to check this your self using an os map, it would tell you the exact same
a map of railways.
There are two possible meanings: One: an underground map is used to show the stations on an underground railway system. Two: an underground map could be used to show caves, mines, and caverns, etc, that has been explored and surveyed by pot-holers. ANS 2 - Underground maps show aquifers and similar bodies of subterranean water.
Mountains are usually brown on a map.
Show the margins of a typical 1:50000 SCALE MILITARY MAP
It shows mountains open plains rivers and stuff like that
Usually used to show North
green
a red line
A Star
A compass rose.
Thematic