Authority begins at the seam. A jacket whose shoulders extend outward and trousers that fall in a generous column alter the body's first impression before fabric, face, or gesture has time to speak. The eye reads the expanded outline as greater scale; the wearer appears to occupy more of the room.
This is not mere costume trickery. In visual perception, silhouette works as a rapid cue for body schema, while horizontal breadth establishes the apparent bounds of a figure against its surroundings. Wide shoulders increase the shoulder-to-waist ratio. Wide-leg trousers reduce the sense of taper below the hip, creating a continuous vertical axis that can make the body seem taller and more settled.
Balance does the heavier work. A broader upper frame can make the head appear more proportionate, while a fuller lower line prevents the torso from looking perched on narrow supports. Clothes do not grant power. They stage its geometry: a still figure inside a larger frame, waiting for the room to revise its measure.