The term interest rate swap

		can be "fixed-for-floating rate" or "floating-for-floating rate."
		involves "counterparties" who make a contractual agreement to exchange cash flows at periodic intervals.
		all of the options
		refers to a "single-currency interest rate swap" shortened to "interest rate swap."

An offshore banking center is

		is external to any government, frequently located on old oil drilling platforms located in international waters.
		a country like North Korea.
		none of the options
		a country whose banking system is organized to permit external accounts beyond the normal economic activity of the country.