Does deposit mean gaining money or paying money?

The term "deposit" generally refers to the act of paying money into a bank account or financial institution. It signifies an inflow of funds that increases the account balance. In contrast, the term "gain" typically refers to an increase in value or profit, which may result from investments or interest earned on deposited funds. Therefore, while a deposit involves paying money, it can lead to gaining money over time through interest or investment returns.