fully closed.

Zippers may:
* increase or decrease the size of an opening to allow or restrict the passage of objects, as in the fly of trousers or in a pocket;
* join or separate two ends or sides of a single garment, as in the front of a jacket, or on the front, back or side of a dress or skirt to facilitate dressing;
* attach or detach a separable part of the garment to or from another, as in the conversion between trousers and shorts or the connection or disconnection of a