According to the text book an organization should have only one central plan that guide the organization towards it goals in other words the plan should have

An organization should have only one central plan that guide the organization towards it goals in other words the plan should have established its mission, vision and goals. Vision is what the organization forsee itself on the next years. What the organization see in the future and its targets. Mission is what an organization do relatively to the established vision and in order to do this, goals will be set to further divide the step by step  actions towards achieving the vision.