A Picture's Worth a Thousand Words

[magazine]
How to create and use diagrams and maps to improve your testing
Volume-Issue: 
2002-05
Article Summary: 

Maps are a universal way of describing an area. You use them to plan your route and find your destination. Just as it's a good idea to have a map when traveling, it's a good idea to have a picture of the software you're testing. Elisabeth Hendrickson describes UML, parts maps, flow charts, state diagrams, and more.