Ключевые слова: abstract, advertising, anthracite, backdrop, background, backgrounds, banner, billboard, black, black and white, black board, blackboard, blackboards, blank, board, campaign, chalk, chalkboard, communication, copy, dark, design, education, election, exclamation mark, german, germany, gray, grey, handwritten, illustration, material, nobody, panorama, politic, politics, retro, sign, slate, space, structure, surface, symbol, text, texture, textured, vintage, wahl 2021, wall, wallpaper,