A mission statement is useful to succinctly summarize the key goals and purpose of a business venture. ...
Mission statements are usually short and to the point ... 100 words or less ... something that can be shared with all in the company as well as with suppliers, customers, investors, and the general public.
Elements of a mission statement could include the core values of the company, customers and markets, industry segmentation, product and service focus, key competitive advantages, and the value proposition. If the vision statement is a look into where the company is going to be in five years or so, the mission statement is the why and how.