現金

1. Origins, structure, and basic meaning

• Structure: The payment noun 現金 (げんきん) means physical cash in notes and coins rather than card or transfer.
• Basic usage: A shop may say 支払いは現金だけ, and someone can put the needed amount of 現金 in a wallet.

2. Common pitfalls and similar expressions

• Cash as physical payment
  • Unlike an account balance or card payment, it is money in a form that can be handed over directly.