Noun epilog has 2 senses

• epilog(n = noun.communication) epilogue - a short speech (often in verse) addressed directly to the audience by an actor at the end of a play; Array
is a kind of close, closing, conclusion, end, ending

• epilog(n = noun.communication) epilogue - a short passage added at the end of a literary work; "the epilogue told what eventually happened to the main characters"
is a part of piece of writing, writing, written material
is a kind of close, closing, conclusion, end, ending