I include 7 things.
1. The idea in a nutshell
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2. Production - what you'll do to bring the idea to life
3. Marketing - what you'll do to promote the venture
4. Finance - how much money is needed. And what will be the breakeven point and the cashflow positive point.
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5. Your target audience profile
6. Your competition
7. Your own self - your USP, your resources, your team