Crochet Stitch Patterns

I - knit 1
— - purl 1
/ - knit 2 together
~ - purl 2 together
↓ - insert the right-handle needle, not into the next st as it presents on the left-hand needle, but into the st 1 row below this, knit a st, drawing up a loop onto the right-hand needle
⇓ - insert the right-handle needle, not into the next st as it presents on the left-hand needle, but into the st 5 rows below this, knit a st, drawing up a loop onto the right-hand needle