k: knit   |   p: purl  | R/Rnd: row/round   
st(s): stitch(es 
pu: pick-up 
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