The complete pattern of the CAL.
The pattern is written and includes a chart.
The first 45 rows have to be worked like written in the pattern, after that you can repeat parts and crochet your shawl as big as you desire.
You need to know how to crochet : chain, single crochet, double crochet (US terms)

You will need about 1000m yarn and a crochet hook size 4mm After blocking the shawl in the example has a size about 204cm x 98cm