A perpetual floater which contains a call option given to the issuer. However, if the issuer doesn’t exercise this option…

A floater (floating-rate note/ FRN) whose principal never matures, i.e., it doesn't have a redemption payment and only makes perpetual...

A floater that that has no redemption date (maturity date), i.e., whose principal never matures. The note only has perpetual...

A floater (floating-rate note) whose principal never matures, i.e., it doesn't have a redemption payment and only makes perpetual coupon...