Rose-toned side gathering leads the visible lower lines towards one hip in this front view. A higher folded front edge sits above it beside low shoulder areas. The middle shows vertical lines. A front leg opening and pale pointed shoes complete the longer lower shape.
Follow the route from the upper fold to the quieter middle first. Then look at the side gathering point at the hip. You may want to emphasise just one of those areas. A photograph can show two ideas together without making you choose both as equally important accents for your own outfit.
Hold the actual bag you intend to use beside the hip lines on the other side first, then at its intended carrying place. Does the chosen gathering remain visible? Compare a quieter bag surface with a stronger colour contrast while keeping the rest of the outfit the same. This separates an accessory question from the dress shape itself.
The vertical middle areas show visible design rather than a fully explained inner construction. Request the relevant product information and try your own hand movements with the bag. The other people in the setting are background to the picture; they establish no occasion for which you would be required to choose this shape.