Concept:Money is anything generally accepted in buying goods and services and in settling debts.
Explanation:The most important feature of money is that it serves as a medium of exchange.
People accept money when they sell goods or services because they know others will also accept it.
Money is also used as a medium of payment and for the settlement of debt.
These are important functions of money, but they are not its simplest basic definition.
The standard definition states that money is a medium of exchange recognized by law.
Therefore, among the given options, the most direct and acceptable definition of money is "medium of exchange."
Answer:B. Medium of exchange