a set of software-intensive systems sharing a common, managed set of features, and that are developed in a disciplined fashion using a common set of core assets
a set of software-intensive systems that share a common, managed set of features satisfying a particular market or mission area, and are built from a common set of core assets in a prescribed way
A set of software-intensive systems sharing a common, managed set of features that satisfy the specific needs of a particular market segment or mission and that are developed from a common set of reusable core assets in a prescribed way.