Sentence:  So , after the sitting has been <WSD>held</WSD> , several readings at one time are mailed , and the distant sitter ( whose name or whose communicator 's name was given to the medium ) must mark each little item as Correct ( Hit ) , Incorrect ( Miss ) , Doubtful , or Especially Significant ( applying to him and , he feels , not to anyone else ) . 
Meaning of the word marked with <WSD> tags:  organize or be responsible for