Some impressive picture? (4)

I believe the answer is:
epic
'some impressive picture?' is the definition.
The definition and answer can be both related to communication as well as being singular nouns.
Maybe they are linked in a way I don't understand?
'some impressive picture?' is the wordplay.
'some' indicates a hidden word (some parts of the word are used).
'EPIC' can be found hidden inside 'impressive picture'.
Can you help me to learn more?
(Other definitions for epic that I've seen before include "Large in scale" , "Heroic; saga" , "of impressive proportions?" , "Surpassing the ordinary" , "great film" .)