Ключевые слова: abstract, access, army, backdrop, background, barb, barbed, barbwire, barrier, blade, blood, blue, border, boundary, chain, circle, closeup, concept, crime, danger, fence, field, guard, jail, liberty, limit, metal, military, obstacle, pattern, peace, prison, protection, repression, security, shape, sign, sky, stop, string, symbol, totalitarian, travel, trench, wall, war, warfare, white, wire, work,