Ключевые слова: button, castle, city, classic, construction, content, contour, design, designer, element, form, fortification, fortress, high, icon, illustration, kingship, knight, loophole, masonry, mobile, old, pictogram, picture, security, sign, silhouette, simple, stock, stronghold, structure, style, stylized, surveillance, tower, visual, wall, web application, web page,