A terrorist organization is a group that uses violence and intimidation to achieve its objectives. There are many other phrases used for the term "terrorist organization". For example, an extremist group refers to a group that takes extreme positions and engages in violent activities. A radical organization describes a group that holds extreme political and social views. A militant organization refers to a group that advocates and uses violent and aggressive tactics. A subversive group refers to a group that aims to overthrow the existing political system through unlawful means. Ultimately, whatever the phrase might be, a terrorist organization poses a severe threat to society and must be dealt with accordingly by law enforcement agencies.