Governance (glossary)

(1) system by which organizations [or systems] are directed and controlled. (ISO/IEC 38500:2008, 1.6.2)

(2) Organizational chains of responsibility, authority, and communication for executing measurement and control mechanisms to effectively drive the organization and enable people to perform roles their respective roles and responsibilities. (Cantor, 2006)

Source

(1)

(2)

Discussion

Discussion as to why this is the "consensus" definition for the SEBoK.