ch Chain
s c Single Crochet
s d c Short Double Crochet
d c Double Crochet
tr c Treble Crochet
d tr c Double Treble Crochet
tr tr c Treble Treble Crochet
sl st Slip Stitch
st Stitch
sts Stitches
* (Asterisk) Indicates that the instructions immediately following are
to be repeated the given number of times plus the original.
** Are used in the same way.