A memorable room does more than look expensive. It makes people feel as if something meaningful could happen there. That is one reason Downton Abbey still holds such design power. The grand staircases, layered drawing rooms, polished dining tables, and private bedrooms do not merely decorate the story. They help tell it. Every lamp, chair, sideboard, portrait, and floral arrangement gives the viewer clues about status, history, taste, duty, and change. Modern staging can borr