Herscu: The Module Cycles and Segments.
The module Paul Herscu lets you organise the symptoms of your case in related groups. According to his insight indeed you can always find only a limited number of "groups" of symptoms. And there is always a flow in the case: certain symptoms result to other symptoms, which again result in other symptoms, until you come full circle.
It is not the remedy which scores highest in the normal analysis which you should consider, but the focus should be on those remedies which cover all the segments of the case.
which then closes the circle Analyze according to