Ключевые слова: barbed, barricade, barrier, border, boundary, cage, captive, captivity, capture, caught, concept, conceptual, convict, country, danger, detain, deterrent, enclosure, escape, fence, freedom, guard, illegal, jail, mesh, metal, outback, outdoor, perimeter, pow, prevent, prevention, prison, prisoner, protect, razor, secure, security, twist, wall, wire, yard,