The term SILO CONTENTS refers to the items stored in a silo, which is a large structure used to store materials such as GRAIN, HERBAGE, FODDER, and missiles. GRAIN is a type of edible seed, usually referring to cereal grains such as wheat, oats, and barley. HERBAGE is a collective term for grasses, herbs, and other plants that are used for animal feed. FODDER is a type of food given to animals, typically consisting of hay, straw, or other plant material. Missiles are weapons that are self-propelled or guided and are designed to deliver an explosive payload.