The wedding dress with a waist opening introduces a different exposed area. Broad straps lead towards a deep V neckline. Crossed-looking bands emphasise the middle, leaving part of the side waist visible beside them. The long lower section follows the body more closely before widening farther down. One hand rests at the hip and the other near the hair; this view does not clearly show a high leg slit comparable to the other references.
Use the difference when choosing where you want an open accent. A visible waist and an exposed leg change different parts of the complete outfit. Assess the upper-body view without mentally rebuilding the lower half first. You can then name whether you prefer neckline, waist bands or the side opening itself.
On a real candidate, try your intended underlayers and outer garment afterwards. A jacket may cover a waist opening differently from a skirt slit. Choose which state you want to wear using the complete actual dress. This photograph adds a clear alternative to the slit decision, rather than another angle of the same leg opening.