Ключевые слова: action, activity, adults, african american, black man, blurred, caucasian, competition, court, daytime, elderly, exercise, exercising, friends, friendship, game, grey hair, interracial, men, multicultural, multiethnic, multiracial, net, old, people, players, playing, relationship, selective focus, sport, sport equipment, sporting, sportive, sportsmen, sportswear, sporty, summer, summertime, team, tennis, together, togetherness,