Finance is the financing of funds. Finance is the general name of currency circulation, credit activities and related economic activities. Finance in a broad sense refers to all economic activities related to the issuance, storage, exchange, settlement and financing of credit currency, even including the sale of gold and silver. Narrow sense of finance refers to the financing of credit currency.
Financial "gold" refers to gold. "Melting" first refers to the melting of a solid into a liquid, which means mastery. So finance is to melt gold and trade it separately, that is, the circulation of value.