The sign you mentioned is the Guidance board with guide post ascending right. This sign is used to indicate the direction of travel or to provide guidance for drivers about the road ahead.
Specifically, this sign shows that the road or route indicated by the sign leads to a location that is right from the driver's current position or path. It is typically used in conjunction with other directional signs to help drivers navigate their route more efficiently by clearly indicating their options.
Drivers should follow the direction indicated by this sign to ensure they are heading toward their intended destination and to maintain safe navigation on the road.
If you have any further questions about this sign or other traffic rules, feel free to ask!