Vertical pattern and skirt width meet in a strongly directed lower outline on this pale dress. A front V neckline and decorated shoulder areas frame the upper body. A pale central strip continues down below the defined middle. Side ornaments accompany the closer hip and upper-leg area before the skirt opens into a broader lower finish and rear spread.
Set the central pattern aside for a moment and follow the outer contour. Decide whether the longer narrow section appeals to you, or whether the vertical decoration mainly guides your eye. Those are separate preferences. The raised-arm pose is also not neutral evidence of how both sides sit when the wearer stands relaxed.
At the fitting, release both arms first and walk a short distance afterwards. Compare from the side where width actually begins. If you want a change, point to the precise area on the worn dress. The photograph explains neither the fabric construction nor the options for altering the existing cut.