What does a business plan include?

In a business plan you have to analyse eveything that may influence your business in the related market. you have to analyse your competitors and the businesses that may influence you directly or indirectly. To add, you have to establish a budget plan. you have to clerify that how are you going to make money, who to sell, how to sell(distributors, retailers, directly, etc), what is your your target market and target audidence.