This is the 6704th most frequent Russian word.
rail
The Russian word "рейка" (rail) refers to a thin, elongated bar or strip of material, often used in construction or support.
In this sentence, 'рельсы' (rails) refers to the metal tracks that guide the train wheels.
Эта железная дорога имеет старые рельсы.
This railway has old rails.
Here, 'перила' (railings) refers to the protective bars, often metal or wood, lining a balcony for safety purposes.
Балкон огражден красивыми перилами.
The balcony is surrounded by beautiful railings.
In this context, 'перилам' (railings) is used to describe the structure that the skateboarder is interacting with.