Tracking Severity: Assessing and Classifying the Impact of Issues (a.k.a. Defects)

How does one categorize Severity? Should you use numbers like 1, 2, 3; generic names like High, Medium, Low; or more specific names? A telephone switching system, for example, might use industry-specific categories such as "system issue," "line issue," or "call issue." Other environments, as we'll see in this article, tailor classification terms to meet their own functional needs.