Equity

partial ownership

royalty

sum of money paid to the patentee

propriety

ideas and process that are usually protected by patients

profit

a business's total revenue less it's expenses

patent

government issued license

overhead

costs that a business must pay regardless of it's performance

market value

the price a product would fetch on the market

margin

the difference between a products or services selling point and its costs of production

liquidity

the degree at which an asset or security can be quickly sold or bought in the market without affecting the assets

break even

a point in a business venture when the profits are equal to costs

stake

share or interest in something (in this case the business or money)