a compass rose do it show what direction to go like north south east west
a compassrose shows you the directions of where you want to go or shows you the location of the place that you want to go.
The part of a map that tells direction
A compass rose is the name given to the face of a compass on which the points and direction names are printed. Some compasses rotate the whole compass rose, with direction read off a fixed point in the housing. Other compasses have a fixed compass rose and use a free spinning magnetic needle on a pivot to point towards magnetic north.