Backstitch represents a needlework technique which involves making small in-out stitches in order to firmly join two fabric pieces together. This technique gives resilience and prevents the material from coming apart. The whipstitch may be used for a range of stitching projects, including hemming, stitching appliques, or even creating coverlets. It offers a tidy and expert look to the completed product.

Whipstitch Definition Meaning MerriamWebster