Ключевые слова: backdrop, background, banner, base, basis, burden, cause, credit, daily, defence, doctrine, dogma, fact, foundation, fundament, gist, ground, groundwork, heart, imperative, justification, law, letter, motive, postulate, purpose, rate, rationale, rationalization, reason, regulation, risk, rudiment, structure, substratum, support, value, wood, word,