A debenture is a type of debt instrument or bond that represents a company’s or government’s acknowledgment of a debt obligation. When an entity issues debentures, it is essentially borrowing money from investors and agreeing to pay periodic interest (coupon payments) over the life of the debenture and repay the principal amount at maturity.

Key features of debentures include:

1. **Fixed Income:** Debenture holders receive fixed interest payments at predetermined intervals until the maturity date. The interest rate is known as the coupon rate.

2. **No Collateral:** Unlike secured bonds, debentures are typically unsecured, meaning they are not backed by specific collateral. If the issuer defaults, debenture holders do not have a claim on specific assets but are general creditors of the issuer.

3. **Maturity Date:** Debentures have a specified maturity date when the principal amount must be repaid to the debenture holders. Maturity periods can vary, ranging from a few years to several decades.

4. **Transferability:** Debentures are generally transferable, allowing investors to buy or sell them in the secondary market before maturity. The market price of debentures may fluctuate based on interest rates and market conditions.

5. **Issuer Types:** Both corporations and governments can issue debentures. Corporate debentures are typically issued to raise capital for various purposes, such as expansion, acquisitions, or working capital. Government debentures are often referred to as government bonds.

6. **Credit Rating:** The creditworthiness of the issuer affects the interest rate offered on debentures. Higher-rated issuers can usually borrow at lower interest rates compared to lower-rated issuers.

7. **Callable or Non-Callable:** Some debentures may have a callable feature, allowing the issuer to redeem them before the maturity date under specified conditions. Callable debentures may provide issuers with flexibility in managing their debt.

Debentures are a form of long-term debt financing that enables companies and governments to raise capital from the capital markets. Investors, in turn, receive a fixed return on their investment in the form of periodic interest payments and the return of the principal amount at maturity.

Investors considering debentures should assess the creditworthiness of the issuer, understand the terms and conditions of the debenture, and consider their risk tolerance and investment objectives. As with any investment, there are risks, and market conditions can impact the value of debentures.