There Are Two Ways That a Swap Position Can Be

There are two ways that a swap position can be interpreted. Which of the below is ONE of these?

A) One of these is a package of swap contracts.
B) One of these is a package of cash flows from buying but not selling cash market instruments.
C) One of these is a package of forward/futures contracts.
D) One of these is a package of cash flows from selling but not buying cash market instruments.