From Rochad Studio:
Classically elegant, the ultimate day to night Katherine jersey dress flatters the silhouette without clinging. Horizontal dart detailed on the bodice, drape front skirt with twist tie belt, boat neckline with flattering scoop neck at the back, finishing just below the knee. View A comes with short fluted sleeves and view B comes with long sleeves.
This pattern is made for jersey fabric with a 2-way stretch. Two-way stretch means a fabric stretches on the cross grain and also recovers. Hence the “two” part - stretch and recover i.e. Jersey knits with Lycra.