Corded fabric is a type of woven fabric that has raised ridges or cords running along the length of the fabric. REPP, which stands for ribbed-effect plain-weave, is a type of corded fabric with a ribbed texture. REP is a type of corded fabric with a plain weave and a smooth texture. TWILL is a type of corded fabric with a diagonal pattern. Grosgrain is a type of corded fabric with a ribbed texture and a heavier weight than REPP. REPS is a type of corded fabric with a ribbed texture and a lighter weight than REPP. Madras is a type of corded fabric with a plaid pattern. Poplin is a type of corded fabric with a plain weave and a smooth texture.