planned and systematic actions necessary to provide adequate confidence that a process, measurement or service satisfies given requirements for quality
ISO/TR 21506:2018(en), 3.67
portfolio
collection of portfolio components
(3.52) grouped together to facilitate their management to meet strategic objectives
ISO/TR 21506:2018(en), 3.42
portfolio manager
person appointed with the accountability and responsibility for a portfolio
(3.42) to meet strategic objectives