Sentence:  But by the tracing <WSD>procedure</WSD> , he could , in a strange obviously kinesthetic manner , find the unseen form ; could piece , as it were , the jumbled mass together into an organized whole and then recognize it as a man or a triangle or whatever it turned out to be . 
Meaning of the word marked with <WSD> tags:  a process or series of acts especially of a practical or mechanical nature involved in a particular form of work