k: knit | p: purl | R/Rnd: row/round
pm/slm: place marker / slip marker
RS/WS: right-side facing/wrong-side facing
stocking st: worked in rows, forwards and backwards; k one row, purl next row, repeat these two rows
stocking st: worked in rnds, k every rnd
C4F: Cable to front; slip next 2sts onto cable needle, hold in front of work, k2 from left-hand needle, then k2 from cable needle.
yo: yarn over; starting at front of work pass yarn over right-hand needle to back, when you reach the yo on next row, k as directed. This should create a hole.
sl1: slip a st without working from left to right needle
psso: pass slipped st over
p2tog: p 2sts together to make one st