A summary is just summarising what you have said - going over everything briefly and clearly. And while a conclusion does summarise what you have said it says it in a different way, it is more persuasive. You say what your main point is then you say why, summarising what points you have already made then you finish by saying, again, what your main point is. And in a conclusion you cannot add more information!
it is the conclusion
Conclusion
not a summary.
conclusion
Try conclusion.
A conclusion.
YES
No. The conclusion is the end of the story -- what happens after the climax. The plot summary is a short re-telling of the entire story.
Best conclusion or in short summary.
A conclusion shows what the rest of the content has achieved, in a short summary.
Some synonyms of "in conclusion" include therefore and in summary.
It would be a conclusion.