Ключевые слова: activity, arthur, athletics, background, ball, balls, blue, close, competition, court, equipment, exercise, fitness, fun, game, green, hard, health, horizontal, individual, leisure, lifestyle, line, match, net, object, open, outdoor, play, professional, racket, recreation, serve, set, sport, sports, stadium, summer, tenis, tennis, tournament, traditional, up, white, yellow,