Computer Software Configuration Item. An aggregation of computer software that satisfies an end-use function and is designated for configuration management. A CSCI may be broken down into CSCs and/or CSUs.
Computer Software Configuration Item. An aggregate of software that is designated for configuration management and is treated as a single entity in the configuration management process. (IEEE Standard 610.12-1990)
Term applied to the design level incorporating products that often having similar functions or capabilities. The term CSCI can be synonymous with sub-system but the definition may vary from project to project.