Which component is usually mounted directly to the backing plate?

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In a drum brake setup, the backing plate is the stationary mounting surface for the brake hardware. The anchor is a fixed point that is mounted directly to that backing plate, and it serves as the pivot/locator for the ends of the brake shoes. This direct attachment keeps the shoes aligned and allows them to pivot correctly as hydraulic pressure from the wheel cylinder pushes them outward to contact the drum. The drum itself rotates with the wheel, so it isn’t mounted to the backing plate. The anchor’s direct fixed connection to the backing plate is what makes it the component described.