Illustrating process looping

The spiral and circle are both good for illustrating looping behavior, but can be used differently for emphasizing different parts of the concept being illustrated.  A spiral shows repetitive actions with the focus being on growth without over emphasizing the process itself.  The circle is more process oriented for showing these linkages.  In both cases, there really isn't a beginning or an end, though the spiral has some difficulty illustrating that concept.  A circle has a beginning and an end only if the author or reader so chooses to identify it.  Otherwise, everything flows eventually into itself.  Normal text requires the author to make a decision on where in the circle to start since the text is linear.  Alternatively, working on web applications breaks this limitation because hyperlinks form a network and are not linear, leaving the reader to pick where to start their investigation.

Ross A. Wirth, Ph.D. (2004)

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Last modified: August 22, 2005