A make one purlwise is the purl equivalent of a regular make one, and has two variations as well: make one left purlwise and make one right purlwise.
The eyelet rope stitch is a combination of a few different techniques that combine to give a faux cable look. It combines slipping stitches, passing over, and yarn overs.
Wondering what weight that mystery ball of yarn is that's been in your stash for years? Or maybe the label for a yarn you just bought doesn't tell you if it's a sport or DK or worsted? How can you know what weight a yarn is without a label or a person telling you?
Markers are a way to mark where to do certain stitches or techniques, or to help you count!
A knitted rib is a stitch pattern combining knits and purls to make vertical stripes of each stitch. The most common ribs are 1 x 1 and 2 x 2, but there are dozens of variations.