Banks are described as a critical intermediary in what is called the:

1. Banks do more than hold deposits. 2. Banks stand between savers and borrowers. 3. Banks are a critical intermediary in what we call the payment system. 4. That system helps an economy exchange goods and services for money. _Source: OpenStax Principles of Macroeconomics for AP Courses 2e (CC BY 4.0), Ch 13 'Money and Banking'_