имя существительное [спорт] красная зона (площадь в пределах двадцати ярдов от линии ворот каждой команды; в американском футболе)
noun the area of a football field inside an opponent's 20-yard line
An environment located between internal and external firewalls where software and hardware are deployed to enable access to extranet applications. Compare De-Militarised Zone.