Answer: Option (D) is the correct answer.
Step-by-step explanation:
When a magnet attracts or repel another magnet with a force then this property is known as magnetism.
Like opposites attract each other in the same way south pole of a magnet is attracted by north pole of another magnet.
Thus, we can conclude that out of the given options, magnetism refers to an attractive or repulsive force between magnetic materials.