This is often achieved by a lack of finish: even in the most highly polished, conventional picture here, the 1880 portrait of Antonin Proust, the ungloved fingers of the left hand are swift strokes, lackingdetail.
John Dickie from Poverty Action Group in Scotland told the committee the Welfare Reform Bill was "very skeletal" and lacking in detail and he said he backed the Scottish government pushing for an amendment to the bill for Scottish ministers to be consulted in areas where there was a devolved impact.