Difference between seam and stitch

In sewing, a seam is a junction where two or more layers of cloth, leather, or other materials are held alongside stitches. Seams are finished with a spread of techniques to stop the raveling of raw fabric edges and to neaten the within of clothes.

In the textile, a stitch may be a single turn or loop of thread or yarn. Stitches are the elemental elements of stitching, knitting, embroidery, crochet, and needle lace-making, whether by hand or machine. a spread of stitches, each with one or more names, are used for specific purposes.s.

The difference between seam and stitch is given below: 

Seam	Stitch
The seam is a combination of stitch	A stitch is a single unit
The length of the seam is unlimited	Stitch length is limited     (0-4)mm
Dimension is very important for seam	In stitch, dimension is not important
Security is needed for the seam line	Security is not needed for stitch
The seam is 8 types	Stitch is 6 types