The patterns for this Butterick B6670 Copyright McCALL’S® Company, NY pattern are:

TOP DRESS SKIRT AND PANTS (WOMEN'S): Top A dress B C fitted button front with front, sleeve and length variations. Skirt D pants E semi-fitted with grosgrain ribbon waist facing and invisible side zipper. A: Purchased bias tape for armholes. E: Taper.
You can use materials such as:
FABRICS: Linen Cotton Crepe Shantung Gabardine. A D: additionally Etamine. Diagonal stitches not suitable. *With Direction. **Without Direction.

Size guides can be found in “affiliation”