Answer: ART

AnswerCrossword Clue
ARTNotoriously hard thing to define
ARTShow piece
ARTSinger Garfunkel
ARTHanging at The Met
ARTIt could be fine
ARTJackie's partner on "The Honeymooners"
ARTMobiles and murals
ARTOp or pop
ARTWall hanging
ARTClip ... ("Get Your War On" source material)
ARTInstallation, e.g.
ARTPrado display
ARTIt might imitate life
ARTPerformance ...
ARTLatte image
ARTCreative ability
ARTCollege major
ARTMuseum content
ARTIt's often left hanging
ARTWorks on walls
artmale given name, form of Arthur
ARTMr. Linkletter
ART23A's forte
ARTActor Carney
ARTArchaic verb form
ARTCarney or Garfunkel
ARTDecorative elements
ARTEasel display
ARTFormer "Jeopardy" host Fleming
ARTHumorist Buchwald
ARTIt's sometimes abstract
ART"Untitled No. 4," e.g.
ARTPollock's drippings
ARTTechnique
ARTWhistler's field
ART.. Deco
ART.. nouveau
ARTPart of MOMA
ARTPaul's ex-singing partner
ARTPollack pieces