A | B |
Bobbin,  | Holds bottom, or bobbin, thread |
Bobbin Case,  | Holds bobbin in the machine and regulates bobbin tension |
Bobbin Cover | Covers the bobbin and bobbing case |
Bobbin Winder | Used to wind thread onto bobbin |
Feed dog | Teeth that move the fabric under the presser foot, advancing one stitch at a time |
Foot Control,  | Regulates the starting, running, and stopping of the machine by the amount of pressure applied to the control |
Hand Wheel,  | Controls the movement of the take-up lever; can be turned by hand to raise or lower needle |
Needle,  | Comes in different types and sizes depending on type of fabric you are using |
Needle Clamp,  | Holds needle firmly in place |
Power and Light Switch | Turns on the machine and the light |
Presser Foot,  | Holds the fabric against the feed dog as you stitch |
Throat or Needle Plate,  | Located under needle and surrounds the feed dog; ussually has seam width guidelines to help keep stitching straight |
Presser Foot Lifter,  | Raises and lowers the presser foot |
Thread Guide | Help guide upper thread from spool to needle without tangling |
Reverse button | Button allows backward stitching |
Spool Pins | Hold spool of thread |
Stitch Length Control | Regulates the selection of different stitching patterns |
Stitch Width Control | Regulates the width of the zigzag stitching and positions the need for straight stitching |
Take Up Lever,  | Controls amount of thread pulled from the spool to the needle for each stitch; moves up and down as you sew |
Tenson Control | Regulates the tension placed on the needle thread by tightening or loosening the tension discs that the upper thread passes through |