CacheA hidden stash of supplies, food, water, weapons, or gear buried or stored in a secondary location.Caloric DensityThe number of calories per unit of weight or volume in a food. High caloric density foods (rice, beans, fats) are prioritized for long-term storage.CERTCommunity Emergency Response Team. A FEMA-trained volunteer program that helps communities respond to disasters.CommsShort for communications. Preppers plan comms using ham radio, FRS/GMRS radios, or satellite communicators for when cell networks fail.COMSECCommunications Security. The practice of protecting radio and electronic communications from interception.CONOPConcept of Operations. A strategic plan outlining how a group or individual will respond to a specific scenario.Cover vs. ConcealmentCover stops bullets (concrete, engine blocks). Concealment only hides you (bushes, drywall). A critical self-defense distinction.