A purpose, mission and vision statement are useful gut-checks to business identity. The purpose sets why the business exists, the mission what the method of carrying out the purpose is, and the vision what the world would look like if the mission is accomplished.
[reason for existing]
Lead the development of post-conflict states
[method of executing purpose]
Use development as a vehicle for change in post-conflict states, changing economies from low/ lower-middle income to high income
[what the world will look like after successful accomplishment of mission]
World where development has created new opportunities for prosperity and peace