What is needle plate?
A needle plate, also known as the throat plate, is a removable metal shield found on all sewing machines. This little metal shield is used to cover the bobbin area of your machine. However, some machines use special needle plates to help you with your sewing.
What is needle bar?
: a bar on a sewing or knitting machine for holding the needle or needles.
What is stop motion screw?
Stop motion screw. Hinders movement for the machine when loosened sewing. Tension disc/tension regulator. Tension disc squeezes the thread as it passes between them and the tension regulator controls the amount of pressure on the disc.