The invention process involves disclosing your invention to a wide variety of readers. As mentioned, such document is a starting point or template for providing future material with respect to the many different readers and audience for which you will need to communicate your invention.
Business plans may target changes in perception and branding by the customer, client, taxpayer, or larger community. When the existing business is to assume a major change or when planning a new venture, a 3 to 5 year business plan is required, since investors will look for their investment return in that timeframe.
Marketing Analysis/Strategy: The next thing to write (after the general description) should be your marketing strategy. For new or existing businesses, market analysis is an important basis for the marketing plan and will help justify the sales forecast. Existing businesses will rely heavily on past performance as an indicator of the future. New businesses have a greater challenge - they will rely more on market research using libraries, trade associations, government statistics, surveys, competitor observations, etc. In all cases, make sure your market analysis is relevant to establishing the viability of your new business and the reasonableness of the sales forecast.
Detailed Description: This is where you describe the main parts or components that make up your invention, how your invention works or what it does, its main features, and method or intention of use. An example of main parts may include a container with lid, a motor for spinning, etc.). Examples of main features may include dishwasher safe, automated functionality, ease of use, etc. And, method of use examples could be: step 1, press red button to turn on, or pull white knob to make it move.