It means that you don't have to start your partitioning from scratch in programs like cfdisk or fdisk, but you can reuse and finalize partitioning scenario already defined by sfdisk scripts. It may be attractive for DIY system installers, admins, etc.
All is based on libfdisk, so the same functionality may be very easily implemented in another tools too.
It's Friday ...sooo I tried to record video with some trivial example, all is from util-linux git tree (not yet release v2.26).
