Grid North:
Grid North is the direction of the vertical grid lines shown on a map, pointing towards the top of the map.
Magnetic Variation:
Magnetic variation is the angular difference between True North and Magnetic North. It varies based on location and time.
Cardinal Points:
Cardinal points are the four main directions on a compass: North, East, South, and West.
Magnetic North:
Magnetic North is the direction a magnetic compass needle points, which aligns with the Earth’s magnetic field.