Final answer:
Terrorism is the use of violence or the threat of violence against innocent people for political purposes. Targets of terrorist violence are typically civilians who are deliberately targeted or whose safety is disregarded. Terrorism is a global security concern.
Step-by-step explanation:
Terrorism is the use of violence or the threat of violence against innocent people in order to achieve a certain outcome or spread fear for political purposes. The targets of the message of terrorist violence can vary, but they are typically civilians who are deliberately targeted or whose safety is disregarded in order to gain publicity for a group, cause, or individual. Terrorism can be practiced by various political and religious groups, and it is a global security concern in today's world.