      It is at these posts that a trader known as the specialist works withhis clerks to maintain an orderly trading market in the stocks that areassigned to him. The specialist always remains at the post while othertraders, known as floor brokers, may go from post to post and may representorders in all securities. Against the walls of the floor are floor brokerbooths occupied by floor broker clerks. The booths serve as acommunications link between floor brokers and their firms and customers.Floor officials are employees of the NYSE and are readily accessible ifthey are needed to settle a dispute or to approve certain unusualtransactions. Specialists and floor brokers are members of the NYSE.5Clerks are employees of the specialists and floor brokers.