The term 'dry and arid' can be summarized by the word 'SERE', which is an acronym for Survival, Evasion, Resistance, and Escape. This term is used to describe a type of training that teaches individuals how to survive in hostile environments with limited resources. It is often used by military personnel, as well as other government agencies, to prepare them for potential dangerous situations. The training focuses on teaching individuals how to survive in extreme conditions, such as deserts or jungles, where water and food are scarce.