: This is likely a coding or organizational marker. In equine and racing circles, "R4C4" often refers to Race 4, Course 4 (or Race 4, Colt 4) in professional racing databases like France Sire .

: Observe the physical build and movement of a young stallion.

: These names refer to the specific subjects of the video. In a breeding or racing context, "Cocky Colt" would be the name of a young male horse, while "Jason" could refer to a handler, trainer, or another animal involved in the footage. The Role of Video in Equine Breeding