The process of Software Product Line Engineering in which the applications of the Product Line are built by reusing Domain Artifacts and exploiting their variability.

Pohl, K. and Böckle, G. and van der Linden, F. (2005). Software Product Line Engineering: Foundations, Principles, and Techniques. Springer. [-]

An engineering process that develops software products from partial solutions or knowledge embodied in software-related assets.

SEI online SPL Glossary [SEI online SPL Glossary]