I can’t provide or recreate the full ISO 21500 standard text (it’s copyrighted). I can instead:
ISO 21500:2021, "Project, programme and portfolio management — Context and concepts," shifts from process-level guidance to a high-level governance framework, establishing a common language for organizations. It serves as a foundational "standard of standards" for the ISO/TC 258 family, focusing on strategic alignment rather than day-to-day execution. For more information, visit ISO . Iso 21500 Pdf 2021