Lines The element of the style lines refers to the outline or silhouette of the design. There are many accessories and items that can be used to create different lines. One very well known example of a line is the A-line. The A-line can use belts or fitted waists. From the waist, the skirt flares out creating an "A" shape. Lines in Clothing Structural uses include Seams, darts, shirring, silhouette, edges of collars, lapels, pockets, belts, sleeves, hems, openings, pleats, gathers, tucks, draping Decorative uses included braid, rickrack, piping, rows of buttons, insertions, binding, lace edgings, ribbon, soutache , topstitching, faggoting, ruffles, fringe, linear, embroidery, beading or fabric patterns such as plaid,stripes , herringbones, checks, zigzags