What are common securities, loans, and business financing terms?

"Secured loans are loans for which the borrower is required to pledge specific assets as collateral, or security. Securities are investment certificates issued by corporations or governments that represent either equity or debt. Stock dividends are payments to stockholders in the form of more stock and may replace or supplement cash dividends. A stockbroker is a person licensed to buy and sell securities on behalf of clients. A term loan is a business loan with a maturity of more than one year and can be unsecured or secured. Trade credit is the extension of credit by the seller to the buyer between the time the buyer receives the goods or services and when it pays for them. Underwriting is the process of buying securities from corporations and governments and reselling them to the public; it is the main activity of investment bankers. Unsecured loans are loans for which the borrower does not have to pledge specific assets as security."