[{"Bold_text": "noun", "List Items": ["the total time consumed in the round trip of a ship, aircraft, vehicle, etc.", "turnabout .", "change of allegiance, opinion, mood, policy, etc.", "a place or area having sufficient room for a vehicle to turn around.", "the time required between receiving and finishing or processing work or materials.", "Commerce.a reversal, as in business sales, especially from loss to profit.the time between the making of an investment and receiving a return.", "a reversal, as in business sales, especially from loss to profit.", "the time between the making of an investment and receiving a return.", "Aviation.the elapsed time between an aircraft's arrival at an airfield terminal and its departure."]}]