It would explain what the company is going to do , say manufacturing. Break down all requirements for cost of location, tooling, supplies, staffing, product/ products involved, market strategy, advertising, all related costs. A complete break down of where the dollars are going. A projection of sales. It should contain as many facts and figures that you can provide. Graphs, charts, and a prospectus will all be part of the presentation. The more comprehensive the better. A small stack of orders from customers waiting for your product would be a coup.

You should write a complete business plan. there are many books on the subject and some of them have sample business plans. Or you can hire a CPA to help you develop the business plan. It should contain your business goals, data on all principals, complete financial information, realistic budgets, and more.