Gallery display (3)
'gallery display' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for art that I've seen before include "For example, Blakey's creative" , "Skill in a specified thing" , "Music, painting etc" , "are old-fashioned" , "Lovely piece of work" .)
(Other definitions for artwork that I've seen before include "Illustrative material in publication" , "Painting" , "Graphics" , "Illustrations prepared for a publication" , "Illustrations and designs for printing" .)