The patterns in this Butterick B6683 Copyright McCALL’S® Company, NY“ pattern are:

TUNIC AND CAFTAN (WOMEN'S): Tunic A and kaftan B, C, D are very loose with variations in neckline and length. C, D: The wrong side of the fabric may be visible.
You can use materials such as:

FABRICS: Gauze, Georgette, Silk, Etamine, Sheer fabrics. Large diagonals are not suitable. *With Direction. **Without Direction.

Size guides can be found in "affiliations"