Ключевые слова: abstract, backdrop, background, bark, billboard, blank, blur, board, brown, bulletin, business, clipboard, closeup, color, cork, corkboard, corkwood, design, detail, empty, flat, frame, grain, grunge, information, material, memo, natural, nature, notice, noticeboard, oak, office, panel, pattern, plant, rectangle, reminder, shape, space, structure, surface, texture, textured, timber, tree, wall, wallpaper, wood, wooden,