Informally, "money" is a term often used to refer to any form of currency, whether physical or digital, that is used to buy goods and services, or to pay debts. In informal contexts, people might also use the term "cash" to refer to physical money, especially in contrast to digital or electronic forms of payment.Additionally, in some informal contexts, the term "money" can be used more broadly to refer to wealth or financial resources in general, beyond just currency. For example, someone might say "he has a lot of money" to indicate that someone is wealthy or financially successful.Overall, the meaning of "money" in informal contexts can vary depending on the specific context and the people involved in the conversation.