ramp

Wooden U-shaped track that is set up for performing various acrobatic stunts (such as jumps and slides).

platform

Flat level surface at the top of the ramp; it can be more than 10 ft above the ground.

coping

Metal rail at the platform’s edge; skateboarding tricks include sliding along it and balancing on it with one hand or the board.

vertical section

Level section at the end of the ramp; it is used by the skateboarder to gain sufficient height for doing tricks in the air.

guard rail

Metal handrail attached to the platform.

flat

Flat level surface between the two curved sections of the ramp.