[{"Bold_text": "noun", "List Items": ["a placard or bill posted intended for posting in a public place, as for advertising.", "a large print of a painting, photograph, etc., used to decorate a wall:posters of street scenes.", "a person who posts , placards, etc.", "Digital Technology.a person who posts or submits an online message to a message board:The previous poster in this thread was off-topic."]}, {"Bold_text": "noun", "List Items": ["post horse post horse.", "Archaic.a person who travels rapidly."]}]