Main Liabilities of a Commercial Bank:
1. Deposits: Deposits are the primary liabilities of a commercial bank. These include current deposits, savings deposits, and fixed deposits made by individuals, businesses, and other entities. Deposits form a significant portion of a bank's liabilities and are crucial for its functioning.

2. Borrowings: Commercial banks also borrow funds from other financial institutions, such as the central bank or other banks, to meet their short-term liquidity requirements. These borrowings are liabilities for the bank and need to be repaid within a specified period.

3. Debt Securities: Commercial banks may issue debt securities, such as bonds and debentures, to raise funds from the market. These debt securities represent a liability for the bank as they need to repay the principal amount along with periodic interest payments.

Main Assets of a Commercial Bank:
1. Loans and Advances: Loans and advances are the primary assets of a commercial bank. It includes various types of loans provided by the bank, such as personal loans, home loans, business loans, and working capital loans. These loans generate interest income for the bank and form a significant portion of its assets.

2. Cash and Cash Equivalents: Commercial banks hold a certain amount of cash and cash equivalents to meet the day-to-day liquidity requirements of customers. Cash includes physical currency, while cash equivalents refer to highly liquid assets like treasury bills and short-term government bonds.

3. Investments: Commercial banks invest in various financial instruments, such as government securities, corporate bonds, and equities, to earn additional income. These investments form a part of the bank's assets and provide opportunities for capital appreciation and interest income.

Reflection of Banking Services:
The liabilities and assets of a commercial bank reflect the banking services provided by the bank in several ways:

1. Deposits: The deposits held by the bank represent the funds entrusted by customers, which can be used for lending and investment purposes. The availability of different types of deposit accounts reflects the various banking services, such as current accounts for businesses and savings accounts for individuals.

2. Loans and Advances: The bank's loan portfolio reflects the lending services provided to individuals and businesses. The types of loans offered by the bank, their interest rates, and repayment terms determine the range of banking services available to borrowers.

3. Cash and Cash Equivalents: The bank's holdings of cash and cash equivalents ensure that customers can withdraw funds when needed and reflects the liquidity services provided by the bank.

4. Investments: The bank's investment portfolio reflects its ability to generate income through investment activities. This income contributes to the overall profitability of the bank and enables it to provide a wide range of banking services.

In conclusion, the liabilities and assets of a commercial bank, including deposits, borrowings, loans, cash holdings, and investments, reflect the various banking services provided by the bank. These services include deposit-taking, lending, liquidity management, and investment activities, which are essential for the functioning of a commercial bank.