Great bronze picture frames (4)

I believe the answer is:

epic

I'm a little stuck... Click here to teach me more about this clue!

'great' is the definition.
(epic can mean great or impressive)

'bronze picture frames' is the wordplay.
'EPIC' is hidden within the letters.
However, I am uncertain how this is indicated.

Can you help me to learn more?

(Other definitions for epic that I've seen before include "Vast in scale" , "Long poem etc" , "Long poem, book, film" , "Heroic; saga" , "Tale of heroic deeds" .)

I've seen this clue in The Telegraph.

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