What action is described as adding money into a financial account?

The action of adding money into a financial account is called a deposit. This term specifically refers to the process of putting funds into an account, such as a bank account or savings account, thereby increasing the balance of that account. Deposits can typically be made through various means, including cash transactions, direct deposits from employers, or electronic transfers.

In the context of personal finance, understanding how deposits work is essential for effective money management. As individuals or businesses deposit money, they can build savings, improve their financial stability, and plan for future expenses or investments.

While other options like withdrawal and transfer involve moving money out or between accounts, respectively, and investment pertains to putting money into assets hoping for a profit, none of these actions accurately describe the specific act of adding funds to an account. Thus, deposit is the correct term for this action.