Ключевые слова: action, activity, agility, alert, athletic, border, breed, canine, collie, competitor, determined, dog, dynamic, energetic, exercise, fence, field, focus, fun, fur, grass, happy, hurdle, joyful, jumping, leaping, lively, motion, obstacle, outdoor, park, performance, pet, playful, playtime, practice, puppy, recreation, session, speed, sport, stunt, training,