Ключевые слова: 30, abstract, adults, age, assets, begin, beginning, birthday, black, blue, business, comfort, concept, conceptual, ends, established, financial, forty, freedom, fun, happiness, hope, humor, illustration, information, joy, letters, life, mature, milestone, new, old, outdoor, proverb, red, relax, relaxation, road, saying, sign, sky, start, symbol, symbolic, tree, warning, way, white, years, zone,