Identify the missing words in the following sentence.
When planning the next stage, the Project Manager needs to review and, if necessary, update the [ ? ] with regard to external resources or suppliers.

How does the project plan help to support the 'manage by stages' principle?

Which is a recommended quality review team role?

Which process is used by a Team Manager to coordinate work on one or more of the project's products?

How does the 'managing product delivery' process achieve its purpose?