b) As a series of guidelines/rules /recommendations. This is a relatively new way of defining BI Governance. Traditionally IT has been solely responsible for defining the Architecture, Standards and Best Practices to follow in Business Intelligence, however as business starts realizing the significant impact that these decisions may have in BI Projects there has been a trend to make these topics part of the BI Governance process.
c) As the definition of roles and responsibilities for both IT and Business stakeholders. As Business Intelligence projects are by nature highly complex, establishing the proper interaction and outlining areas of responsibility between and IT and the Business becomes critical for a project to succeed.