a magnet in the form of a bar with magnetic poles at each end

a good example of a ferromagnetic material, which can be attracted to or repelled by a field, depending on the orientation of the magnet and the field

a magnetic dipole, and its field varies in the space around the magnet in the same way as the electric field varies around an electric dipole

an example of an object with zero net charge which can be affected by external magnetic fields

a temporary magnet