Ключевые слова: activity, agility, animal, behavior, black, canine, challenge, coach, commands, companion, concentration, controlled, course, development, discipline, dog, exercise, focused, fourlegged, friend, guidance, hand, handler, intelligent, interaction, learning, loyal, movement, obedience, outdoor, park, pet, practice, ramp, routine, session, signal, skills, sport, teamwork, trainer, training, walking, working,