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A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11Banking is the set of activities through which banks accept deposits, lend money, and help people and businesses make payments. A bank account gives you a way to hold and access money; the institution may use deposits as one source of funding while managing loans, investments, and payment obligations. What legally counts as a bank and what protection applies depend on the country.
What does a bank do?
In everyday life, banks provide accounts, credit, and ways to move money. The Bank of England describes these as the main ways people use banks: “Looking after money, lending it and helping you pay for things are the main ways that people use banks in their daily lives.” Its explainer was updated on 2 December 2025. Read the Bank of England’s explanation of what banks do.
Hold deposits and provide account access
Checking accounts (often called current accounts in some countries) are commonly used for everyday payments, while savings accounts are generally intended for money set aside. The terms, access methods, and services vary by provider. A deposit is a claim against the institution, subject to the account agreement and applicable law; it is not cash stored in a separate vault for each customer.
Make loans
Banks provide credit to individuals and businesses, including consumer, mortgage, and business loans. Borrowers receive funds now and repay under agreed terms, typically with interest. If a borrower does not repay, the bank faces a credit loss.
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Move money
Cards, transfers, and other payment services let customers pay merchants or send money to other people and institutions. The payment is not handled only by the card, app, or bank you see: payment networks and settlement arrangements connect institutions and update the relevant obligations. The Bank of England says more than £500 billion moves between accounts each day in its UK-focused payments discussion; that is a UK figure, not a global total.
Provide other financial services
Depending on its type and business model, an institution may also offer foreign exchange, cash management, trade finance, investment banking, or related account services. No single bank necessarily offers all of them.
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How does banking work?
- You deposit money. The bank records an obligation to you and provides access under the account terms.
- The bank manages its funding. Deposits are one source of funding, alongside other sources. Banks do not simply earmark each customer’s deposit for a particular loan.
- The bank lends or invests. It earns income from lending and other activities, while managing the risk that borrowers may not repay and that customers may need access to funds.
- Payments update accounts and obligations. When you pay or transfer money, payment systems and participating institutions process the transaction and settle what they owe one another.
This is a practical overview, not a complete description of bank balance sheets, money creation, reserve rules, or settlement mechanics. Banks must manage liquidity and losses and operate within the regulatory framework that applies in their jurisdiction.
How do banks make money?
Banks earn income from lending and other financial activities, including services that may generate fees. They also have costs: for example, they may pay interest on deposits and must cover operating expenses and losses when borrowers fail to repay. The difference between the rates a bank receives and pays can contribute to earnings, but it is not the whole business model. Products, revenue sources, and costs vary by institution.
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What kinds of banks are there?
“Bank” can refer to institutions with different customers, services, and legal roles. The categories below are broad descriptions; licensing, supervision, and deposit protection do not work identically in every country.
| Type | Typical role | Ordinary consumer accounts? |
|---|---|---|
| Retail or commercial bank | Commonly serves households and businesses with deposits, loans, and payment services. The FFIEC’s U.S. institution reference describes commercial banks as accepting deposits and making loans. | Often, though offerings vary. |
| Investment bank | Typically works in financial markets and may provide services such as trading securities, currencies, or commodities for clients. | Not the same thing as a household checking-account provider; services depend on the institution. |
| Central bank | Has public responsibilities such as monetary policy and currency, and may provide services to government and the commercial banking system. | Generally does not open ordinary daily-use accounts for individuals. |
For example, the Bank of Canada explains that a central bank’s role differs from that of a commercial bank. Learn about the Bank of Canada’s role. In the United States, the FFIEC’s reference describes commercial-bank services. See the FFIEC’s overview of financial institution types.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Are banks and bank deposits safe?
Banks face risks, including borrower defaults and the need to meet customer withdrawals and payments. Regulators and central banks have roles in overseeing or supporting the financial system, but responsibilities differ by country. A central bank is not usually a substitute for an ordinary consumer bank.
Deposit protection is not automatic everywhere and does not cover every institution or account. Confirm that the institution and the specific account qualify under the official scheme in your location, and check eligibility rules and limits.
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United States
The FDIC advises consumers to verify that a bank is FDIC-insured. FDIC insurance applies to covered deposits at insured U.S. banks under applicable rules; do not assume that every financial company or product is covered. Check the FDIC’s official deposit-insurance information.
United Kingdom
The Bank of England says FSCS deposit protection rose from £85,000 to £120,000 per eligible depositor, effective 1 December 2025. The limit and eligibility rules are specific to the UK scheme; check the Bank of England’s current guidance for what qualifies and how accounts are treated. See the Bank of England’s explanation and protection information.
What should you compare when choosing a bank?
This explainer does not rank particular providers or current offers. When comparing actual accounts or services, check the terms that affect how you will use them:
- Account fees, minimum balances, and other conditions.
- Access to branches, ATMs, and digital services.
- Interest rates and how they apply to your balance.
- Payment features and transfer availability.
- Customer-support options.
- Loan terms, if you are considering borrowing.
- The local deposit-protection scheme, including whether the institution and account are covered.
Legal definitions, services, and protections vary by jurisdiction, so verify current details with the relevant bank and official regulator or protection scheme.
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