the manner in which something, esp. a painting, is made or executed
See facture in American Heritage Dictionary 4
(făkˈchər)
noun
The manner in which something, especially a work of art, is made: “the gummy surfaces, spectral smudges and woozy contours that . . . appear in counterpoint to the clear, bright facture that had heretofore been [the artist's] hallmark”(Robert Shorr).