| A | B |
|---|
helps guide the upper thread from spool to needle without tangling,  | thread guides |
| holds the needle firmly in the machine; loosened and tightened by a screw | needle clamp |
| controls the movement of the take-up lever; can be turned by hand to raise and lower the needle | hand wheel |
| moves the fabric under the presser foot, adevancing the fabric one stitch at a time | feed dogs (of feeds) |
| holds the bottom thread | bobbin |
| holds spool of thread | spool pin |
| holds the fabric against the feed dogs as you stitch | presser foot |
| regulates the tension of the tension discs on the needle thread | tension control |
| control that allows you to stitch backward | reverse stitch control |
| regulates the starting, running, and stopping of the machine | foot control |
| controls the amount of thread pulled from the top spool for each stitch | take-up lever |
| regulates the width of zigzag stitching and positions the needle for straight stitching | stitch width control |
| regulates the length of the stitch | stitch length control |
| located directly under the needle; usually has guidelines to help keep stitching straight | needle or throat plate |
| turns on the light and the machine | power switch, on-off switch |
| raises and lowers the presser foot | presser foot lifter |
| pierces the fabric and carries the upper thread through the fabric to create a stitch | needle |
| regulates the selection of different stitches | stitch pattern control |
