This is a close-up image of back stitch.
A threaded needle is poked down through the fabric back.
A stitch has been created on the fabric.
The needle is poked through the back of the embroidery fabric.
A needle is brought down to create a second stitch,
A second stitch has been created on a piece of embroidery fabric.
A needle is brought down to create a third stitch,
A finished line of Back Stitches has been made on embroidery thread.