FPDC

Good afternoon everyone, I have a question for any one who can answer it. I was looking for a new pattern to make a layette set for my niece's new baby due in march and came across this cute pattern for a Cuddle Sack and matching Hat. As I was reading over the instructions I came across the term FPDC stitch. I know it has been sometime since I last crocheted anything other than a baby blanket but I would love to try this pattern if some one could tell how to do a FPDC & a BPDC stitch I would be most greatful!