Code Path Doc
Code Path Doc
 Flowchart
A flowchart is a common type of chart, that represents an algorithm or process, showing the steps as boxes of various kinds, and their order by connecting these with arrows.
 Nassi-Shneiderman diagram
These diagrams are also called structograms, as they show a program's structures.
diagrams
UML Activity diagram
http://en.wikipedia.org/wiki/Activity_diagram

Activity diagrams are a loosely defined diagram technique for showing workflows of stepwise activities and actions, with support for choice, iteration and concurrency.

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