[{"Bold_text": "adjective", "List Items": ["chief; principal; most important; foremost:a leading toy manufacturer.", "coming in advance of others; first:We rode in the leading car.", "directing, guiding.Synonyms: ruling"]}, {"Bold_text": "noun", "List Items": ["the act of a person or thing that leads ."]}, {"Bold_text": "noun", "List Items": ["a covering or framing of lead :the leading of a stained-glass window.", "Printing. lead2(def7) lead2(def7)."]}]