Final answer:
The project charter provides an official acknowledgment of the authority of the project manager to begin the project.
Step-by-step explanation:
The project charter provides an official acknowledgment of the authority of the project manager to begin the project. It is a document that formally authorizes the existence of a project and outlines its objectives, scope, and deliverables. The project charter defines the project manager's role and responsibilities, as well as the project's overall goals and expected outcomes.