Sentence:  In the upper center of Braque 's first collage , Fruit Dish ( in Douglas Cooper 's collection ) , a bunch of grapes is rendered with such conventionally vivid sculptural effect as to lift it practically off the <WSD>picture</WSD> plane . 
Meaning of the word marked with <WSD> tags:  the plane that is in the foreground of a drawing or painting; coextensive with but different from the objective surface of the work