The term ALTERATION TARGET can be broken down into two crossword solutions: HEM (3 letters) and SEAM (4 letters). HEM is a sewing term that refers to the edge of a garment, usually referring to the bottom or sleeve edges. A HEM is created by folding the fabric over and stitching it in place. SEAM is also a sewing term, referring to the line of stitches that join two pieces of fabric together. Seams are used to create garments and other items from fabric.