It means that instead of working a stitch into that stitch you skip it and leave it unworked. For instance if you have 20 stitches and it says crochet in 19 and leave the 20th unworked, you would simply not crochet into the 20th stitch.
It usually means remaining, e.g. "dc in rem sts" means "double crochet in remaining stitches."
Usually, rem would mean "remaining", as in, "for all remaining stitches" etc.
It probably means you are knit 6 stitches, purl 6 stitches
P2 means purl two stitches as K2 means knit two stitches.
Many Loyalists were forced to leave their homes because of the way they were treated. They were persecuted for remaining loyal to the crown.
Couching is an embroidery term. Basically, this means you lay the thread (or yarn) flat on the fabric in your desired design, and you fasten it in place with small stitches. The fastening stitches are couching stitches.
This depends on what general kind of stitches you mean. For example, four kinds of hand sewing stitches include the basting stitch, overcast stitch, back stitch and running stitch.
Someone you love and care for will get sick.
This term is used in surgery. The person may have dissolving stitches inside before they stitch (or they may use staples or surgical tape depending on the incision) and the internal stitches will simply dissolve in time.
When you work into a crochet chain you insert the hook between the top two and the bottom one strand of the chain. When you get to the end of the chain you can carry on round and work more stitches into the remaining one strand of the chains.
Stitch holders are used to hold stitches until you are supposed to add them back into your work. Take the 2 stitches put them onto a stitch holder then continue with your pattnern.
If you mean stitches then no. They usually numb the area before.