Creating a business concept or business idea is essential and incorporate into business proposal. In this case, you have to gather data and statistics from the market research and how your bsuiness idea put into action. You have to discuss and describe your business idea to a potential investors.
Consider doing some business training. There are lots of short courses at local polytechnics, business incubators, chambers of commerce etc., which could help you compile proposals, funding applications, as well as teach you about the regulations and compliance requirements that may apply to your business idea.
Coming in a close second are requests for business ideas involving clothing. And when you think of it, food, clothing and shelter are essential elements of survival, so it makes sense.