What does it mean when a “stop” sign is placed on the left side of the roadway only?

1. Correct answer: That it only applies to those turning left or making a u-turn. To the left
2. Stop and give right-of-way to incoming traffic from your opposite direction only.
3. Stop and give right of way to traffic coming from your left only.
4. Stop and give right of way to traffic coming from your right only.

WhyA Stop sign placed only on the left side of the road applies to those turning left or making a U-turn. Everyone else drives on without stopping.