[{"Bold_text": "adjective", "List Items": ["being the original or model on which something is based or formed:Even Los Angeles, the prototypical American automobile city, is rapidly expanding its public transit infrastructure.", "illustrating the typical qualities of a class or group:Scotty played center field as a quick, prototypical lead-off hitter.The International Harvester Farmall letter series, well-built and affordable, became an iconic symbol of the prototypical American small-farm tractor.", "Biology.being a primitive form regarded as the basis of a group; archetypal :She graduated with a degree in biology, having conducted her senior thesis research on virulence factors of vaccinia, the prototypical poxvirus."]}]