Ключевые слова: activity, athletics, background, ball, blue, close, compete, competition, concept, court, equipment, exercise, fitness, fun, game, green, hard court, health, horizontal, individual sport, isolated, leisure, lifestyle, line, match, net, new, object, open, outdoor, play, point, professional, racket, racket sport, recreation, serve, set, sky, sport, summer, tenis court, tennis, tennis ball, tournament, traditional sport, vertical, white, win, yellow,