SCM is the decision of senior management in the Organization, which are more interested in the future or what hasn't happened: first, to create a vision, policy and organization for long-term goals.
SCM is a decision of the executive in the organization. Which will focus on the future or something that has not happened, including the creation of Vision organization. Policy and long-term goals.
SCM is the decision of the chief executive in the organization. Which will pay more attention to the future or things that haven"t happened, including vision organization. Policy and long-term goals.