Main elements of a project charter include the following

• Business case: What are the business reason for launching this project? Expected benefits
• Opportunity statement: What is the pain we are experiencing? Where? How much?
• Goal statement: What are the important objectives? SMART
• Project scope: What is in-scope and out-of-scope? What processes are targeted?
• Primary, Secondary, Consequential & Financial metrics
• Project plan: When are we going to get project completed?
• Team members: Who are the team members and what are their responsibilities?