To drive safely and legally, it is essential for a driver to know the **traffic rules and signs**. These rules are crucial to ensure road safety and prevent accidents.

- **Traffic rules**: These are the regulations that govern how drivers should behave on the road. This includes not getting distracted, paying attention to pedestrians, and complying with prohibitions such as not using a mobile phone while driving. These rules help prevent dangers for the driver, passengers, other vehicles, and pedestrians.

- **Traffic signs**: These are visual indications on the road that inform and guide drivers on how to act in different situations. Knowing and respecting these signs is crucial to maintaining order and safety on the roads.

Additionally, it is important for drivers to have **sufficient training** to operate the vehicle and understand all these rules. This ensures that they can react appropriately to any unforeseen events on the road.

Therefore, knowing the traffic rules and signs is a fundamental obligation for any driver, as it guarantees safe and responsible driving.