Ключевые слова: arrow, camouflage, capricious, change, changeable, changeful, choice, component, concept, conceptual, consistent, constant, continual, crossroad, decision, effect, even, filter, guidance, invariable, life, lifestyle, nature, nonstop, opposite, options, perfection, perpetual, phenomena, pointer, pointing, pole, process, reliable, repetitive, retro, road, segment, shifting, signage, signboard, signs, species, stable, steady, unpredictable, unstable, variable, vintage,