This guide accomplishes the following tasks: (a) Describes how to apply IEEE Std 1044-1993 (b) Describes what is and is not compliant customization by (1) Providing examples of use and customization (2) Providing example definitions of classification terms and situations where different definitions might be applicable (c)Provides some additional explanation of the "supporting data items" from IEEE Std 1044-1993 (d) Provides examples of measures that can be derived from the classification data (e) Provides examples of where those metrics are useful (f) Describes methods for analyzing the classification data