The definition of facture is how art is made, or the quality of how the art is made.
An artist's process for making a painting including the canvas used is an example offacture.
the manner in which something, esp. a painting, is made or executed
Origin of factureMiddle English ; from Old French ; from Classical Latin factura ; from facere, to make, do
The manner in which something, especially a work of art, is made: “the gummy surfaces, spectral smudges and woozy contours that &ellipsis; appear in counterpoint to the clear, bright facture that had heretofore been [the artist's] hallmark” (Robert Shorr).
Origin of factureFrench, from Latin factūra, a working or making; see feature.