A company's revenue stream is any activity that is a source of cash or cash equivalent. Some examples of revenue streams are sales of product (ex. computer, shoes, etc), fees for services rendered (ex. consultancy, repairs, etc), interest gained from an investment (ex. interest yield from deposits, bonds, securities), royalty fees received (ex. songs, books), patent fees received (ex others using one's invention, machines), selling of information (from generated leads), commissions (ex. partnership deals, promoting a product/service of another company), etc.
