block model

Noun

 * 1)  A scale model of a ship to be built, showing the vessel's water line.
 * 2)  A simplified model of a ship with flat sides.
 * 3)  A model of a network made by dividing it into blocks
 * 1)  A model of a network made by dividing it into blocks
 * 1)  A model of a network made by dividing it into blocks
 * 1)  A model of a network made by dividing it into blocks