Stocks - Owning part of a company. If the company is profitable, it may pay a portion of the profits to the shareholders. If the company is successful, the value of your ownership in the company may increase.
Bonds - A loan to a government agency or a company that pays interest over time.
Cash - Physical currency or money held in an FDIC insured account.
Real Assets - Owning a physical thing that’s value will change over time due to inflation and other factors. Examples are real estate and commodities.