Include an overview, a summary of the main features, description of architecture/ecosystem, explain the profit for users, introduce the project team, etc.
Describe your token scructure: token name, ERC-20 compatibility, blockchain platform, total token number, token allocation structure, what the user can do with tokens, etc.
Provide a token sale plan: pre-ICO, ICO dates and prices, minimum investments, accepted currencies, exchange rates (if you accept funds in crypto but hard cap in fiat), minimum goal, soft cap, hard cap, etc.
Note for Forecast: is the forecast question about the ICO stage only, or is it about the total raised funds including ICO, pre-ICO, etc.
Check out some good project descriptions: