Navigating across the terrain using a compass and pace
Orienteering
The distance in feet for a one step
Pace
The change in elevation between two consecutive contour lines
Contour interval
Distance in feet above sea level
Elevation
A flat map that uses contour lines to show elevation
Topographic map
In the exact spot elevation indicated by a BM or X
Benchmark
A measurement of direction
Azimuth
They show a dip in the land
Depression contour
A table with symbols showing what is on a map
Map legend
Change in elevation divided by distance
Slope
All points on this line have the same elevation
Contour
A darkened contour with the elevation written on it
Index contour