In the readings, we learned that in order to develop accurate estimates for the project, you will need to first determine what it is you are really trying to accomplish and how you plan to get there. It is the project manager's job to align everyone involved - - all team members, your sponsor, the customer, and other stakeholders -- with the "vision" and "direction" of the project. This is known as "defining" the project and is a very critical moment in the project lifecycle and can make or break your project (Longman
