Appendix D. Glossary

The glossary defines the basic terms used in CMMI models. Glossary entries are typically multiple-word terms consisting of a noun and one or more restrictive modifiers. (There are some exceptions to this rule that account for one-word terms in the glossary.)

The CMMI glossary of terms is not a required, expected, or informative component of CMMI models. Interpret the terms in the glossary in the context of the model component in which they appear.

To formulate definitions appropriate for CMMI, we consulted multiple sources. We first consulted the Merriam-Webster Online dictionary ( We also consulted other standards as needed, including the following:

• ISO 9000 [ISO 2005a]

• ISO/IEC 12207 [ISO 2008a] ...

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