When talking about magnets and their poles, the terms "positive" and "negative" are used in a relative sense to indicate the poles' attraction or repulsion to each other. The North Pole of a magnet is defined as the pole that points toward Earth's North Magnetic Pole, while the South Pole points toward Earth's South Magnetic Pole.
It's important to note that magnetic poles always exist in pairs, and every magnet has both a North and a South Pole. These poles cannot be separated or isolated; cutting a magnet in half will simply result in two smaller magnets, each with its own North and South Poles.
The attraction or repulsion between magnets occurs due to the interactions of their magnetic fields. Unlike charges in electricity that attract each other, opposite magnetic poles attract, while like poles repel. This principle underlies the behavior of magnets and is essential in various applications such as motors, compasses, and magnetic levitation (maglev) trains.