Ключевые слова: abstract, art, background, botany, branch, collection, design, eco, ecology, element, environment, fir, flat, forest, garden, graphic, green, growth, icon, illustration, isolated, landscape, leaf, line, linear, logo, natural, nature, oak, organic, outdoor, outline, park, pictogram, pine, plant, season, set, shape, sign, silhouette, simple, spring, style, summer, symbol, thin, tree, wood,