You Are a Portfolio Manager (Everyone Is)
If you don't manage your portfolios, you only build but never own.
Initiatives: What Scrum and SAFe Ignored
Anything that you continuously or continually make available to stakeholders is an Initiative. An Initiative never spontaneously disappears. It needs frequent monitoring and regular maintenance.
Ten Lifecycle Stages of a Value Stream
The ten lifecycle stages are fractal: they can apply to entire businesses and individual feature sets.