Many pictures are so graphic! (5)

I believe the answer is:

photo

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'many pictures are' is the definition.
Although both the answer and definition are singular nouns, I don't understand how they can define each other.

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for photo that I've seen before include "Snap, pic" , "Snap - shot" , "Picture (abbr)" , "In brief, a snapshot" , "Camera image" .)

I've seen this clue in the Evening Standard.

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