Special stitches relevant for this specific pattern are outlined below and above each round.
dc-1b – dc in FLO of the stitch directly 1 round below
htr-2b – half treble in the FLO of the stitch directly 2 rounds below
fphtr-2b – front post half treble around the stitch directly 2 rounds below
fpdtr-4a-1b –front post double-treble around st 4 ahead and 1 round below
fpdtr-4b-1b – front post double-treble around st 4 behind and 1 round below
fptr-1a-2b/fptr-2a-1b-2tog – 2 front post treble together with first leg around the st 1 ahead and 2 rounds below and second leg around the st 2 ahead and 1 round below
fptr-2b-1b/fptr-1b-2b-2tog – 2 front post treble together with first leg around the st 2 behind and 1 round below and second leg around the st 1 behind and 2 rounds below
dcbb – double crochet into the stitch directly behind and below next st (2 rounds below)
hdcbb – half double crochet directly behind and below the indicated st (2 rounds below)
hdcbb-x – half double crochet directly behind the st from previous round – insert hook through both loops of next stitch and additionally through both loops of the st 2 rounds below, then make the hdc
fphdc-1b – front post half double crochet in the st directly 1 round below
tr-3b – treble in FLO of st directly 3 rounds below