Q: Is south one of the four cardinal directions or compass points? ¶
A: Yes.
Q: Is south the direction towards the southern end of the axis about which the earth rotates? ¶
A: Yes, and called the South Pole.
Q: Is south the direction towards the south magnetic pole? ¶
A: Yes, and some distance away from the south geographic pole.
Q: Is south the polar opposite of north and is perpendicular to east and west? ¶
A: Yes.