Dupioni (also Douppioni or Dupion) is a woven silk fabric with a textured finish from the crossing of the smoother warp threads with coarser weft threads.
Drop, in the case of window treatments, the drop is the vertical distance from the top of the rod pocket to the bottom edge of the window treatment.
Damask is a Jacquard woven fabric with one warp thread and one weft yarn. The pattern is typically worked in a single color with the shiny fibers, or satin weave, creating the face of the pattern, ...
Dobby named for the dobby loom which creates fabrics with more palpable textures, a dobby may refer to a raised tuft of fiber used decoratively.
Dotted Swiss, also known as Swiss Dot, Dotted Swiss is a semi-sheer cotton fabric decorated by petite dots of raised texture.