A fully developed project charter that reflects the information known about the project during the initiating phases, and enables senior stakeholders to make informed decisions about whether the project should proceed is central to every project no matter the size, complexity, or duration.
You can find out more about this objective by reading the Develop Project Charter process in the PMBOK® Guide, 5th edition
For example: What are the key elements of the project charter?
For example: What are stakeholder requirements? ...