Fabric Seam Strength Analysis

What is seam:

Seam is a term which refers to the stitching line where two or more layer of fabric or leather are joined together. It is the basic building block to make garments. Seam is used for both functional and decorative purposes. Seams should be as flat as possible and unseen except those that are used for decorative purposes for garment design and line.

Fig: Different seam types