The sign "Direction indication through arrows 1000-23" indicates direction options for drivers. It typically features arrows pointing in various directions, guiding motorists on the permissible paths they can take at an intersection or junction.

For example, if you see arrows indicating that you can turn left, go straight, or turn right, this sign informs you that those are the correct maneuvers allowed at that particular point in the road.

Understanding these directional signs is important for safe navigation and compliance with traffic regulations in Germany. If you have any further questions about traffic rules or need clarification on another sign, feel free to ask!