What is the meaning of the following traffic sign?

- Follow the direction of the white arrow. Traffic in the opposite direction is prohibited.
- Correct answer: You have right of way over on-coming traffic
- Driving backwards is prohibited.
- Give right-of-way in a narrow road to incoming traffic from the opposite direction.
Why this is the answer
The correct answer in the official bank: You have right of way over on-coming traffic
The blue square sign tells you that on this narrow section of road you have right of way over traffic coming from the opposite direction. The white arrow shows your direction of travel. The red arrow shows the oncoming traffic, which must give way to you. Drivers coming towards you must let you pass.