Sharepoint Server 2007 Governance
Governance is a set of disciplines focused on setting roles, responsibilities, and processes in an enterprise to guide the development and use of a solution.
As SharePoint now is being part of organizations, Microsoft dedicated a resource center that covers governance in SharePoint.
take a look at it would be of support
http://technet.microsoft.com/en-us/office/sharepointserver/bb507202.aspx