Sum Up Meaning

(idiomatic) to summarize

Example:   So, to sum up your argument, what you are saying is that it is impossible.
2011 February 12, Nabil Hassan, “Blackburn 0 - 0 Newcastle”[1], BBC:
  Best came close to getting on the end of Barton's cross but he was inches away from connecting. It was an incident that summed up Newcastle's afternoon.