What does the "tax-free" tag on a PSU bond indicate?

What does a AAA credit rating signify?

What is the key difference between a secured debt and an unsecured debt?

Where does senior secured debt rank in a company's capital structure?

What is the face value of a bond?

What does the Yield to Maturity (YTM) of a bond represent?

What is accrued interest in the context of bonds?

What is the "dirty price" of a bond?