The most common and most likely answer to this crossword clue is the 8 letter word OVERVIEW
I've seen this crossword clue in The Sunday Telegraph
O
V
E
R
V
I
E
W
More clues leading to the result OVERVIEW
- Ever vow to change?
- One having the balls to compete with wife in survey
- Struggle with replacing conclusion of public survey
- General survey on the scene
- Survey completed, that is put in car
- General survey done — into German car, that is
- Summary covering struggle with weight
- Summary: 6 balls and 6 extrasat start
Buddy explains!

The straight part
We know that "Summary" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case summary = overview.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does OVERVIEW mean?
OVERVIEW noun- A brief summary, as of a book or a presentation.
- An inspection.
- To engage in an overview; to provide a brief summary.