A tailor's job involves a variety of tasks, such as resewing, altering, fitting, and hemming. Resewing is the process of stitching fabric together to create a garment or other item. Altering is the process of changing the size or shape of a garment or other item. Fitting is the process of adjusting a garment or other item to FIT an individual's body. Hemming is the process of folding and stitching the edge of a garment or other item.