The economic term money can BEST be defined as

Aany item of value that can easily be converted into cash.
Bany financial asset that contributes to an individual's wealth.
Cany item of value that holds its worth over a long period of time.
Dany asset that can easily be used to purchase goods and services.

Verified Answer :

Money can be cash: so option A does not make sense, since it requires that it be converted into itself.

Also, not every financial asset (option B) is money: property isn't.

Further, option C is also false: money can loose value over time!

The correct answer is:D. any asset that can easily be used to purchase goods and services.