This document discusses the different types of seams used in textile production. It identifies 6 main classes of seams: 1) superimposed seam, 2) lapped seam, 3) bound seam, 4) flat seam, 5) decorative seam, and 6) edge neatening. Each class is defined by how the fabric layers are joined together and the type of stitching used. The most common seam is the superimposed seam, used for side seams in shirts and pants. Lapped seams are often used in jeans. Bound seams are used in men's underwear. Flat seams involve zigzag stitching and are common in knits. Decorative seams add visual interest, while edge neatening finishes