Answer:

ART

AnswerCrossword Clue
ART"Untitled No. 4," e.g.
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
ARTMr. Linkletter
ARTPollock's drippings
ARTTechnique
ARTWhistler's field
ART.. Deco
ART.. nouveau
ARTPart of MOMA
ARTPaul's ex-singing partner
ARTPollack pieces
ARTPollock's profession
ARTPrado display
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.
ARTNotoriously hard thing to define
ARTIt might imitate life
ARTPerformance ...
ARTLatte image
ARTCreative ability
ARTCollege major
ARTMuseum content
ARTIt's often left hanging
ARTWorks on walls