How is the structural dimension known as 'Puntal' (Depth) defined on a sports boat?

1. The vertical distance from the top of the keel to the upper edge of the deck beam at midships
2. The horizontal distance between the port and starboard gunwales at the transom
3. The distance between the waterline and the bottom of the rudder
4. The total height of the mast from the cabin roof to the masthead