The document discusses terrorism and provides definitions, origins, and examples. It defines terrorism as the calculated use of violence against civilians to attain political, religious, or ideological goals. It notes the Latin origins of the word "terror" and discusses how terrorism today usually refers to violence committed by private groups. The document also lists several terrorist organizations in India and discusses some major terrorist attacks that have occurred in India, including Operation Blue Star in 1984 when the Indian military stormed the Golden Temple complex.