Every magnet, regardless of its shape, has two

a
magnetic charges
b
magnetic fields
c
magnetic poles
d
magnetic needles

c. magnetic poles.

Every magnet has two magnetic poles, which are the regions on the magnet where the magnetic force is strongest. These two poles are referred to as the North Pole and the South Pole, and they are always found in pairs. The magnetic field lines on a magnet run from the North Pole to the South Pole.