The most common and most likely answer to this crossword clue is the 10 letter word WIDESCREEN
I've seen this crossword clue in The Guardian
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Buddy explains!
The straight part
We know that "It shows the bigger picture" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case it shows the bigger picture = widescreen.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 WIDESCREEN mean?
WIDESCREEN noun- A screen with a wider aspect ratio than the ordinary 35-millimeter frame, making more effective use of the human field of view and producing a more immersive view experience.
- Filmed in a greater aspect ratio than the 1.33:1 or 1.37:1 aspect ratio.
- (of a motion picture) Presented in the original aspect ratio; presented in letterbox orientation.