Terrorism is not so simple. Thinking that all terrorism must be some extreme, singular act seems short-sighted. What is the terrorist's goal? Terrorism can be

Terrorism is not so simple. Thinking that all terrorism must be some extreme, singular act seems short-sighted. What is the terrorist's goal? Terrorism can be subtle and long-term. Edit: What terrifies you? Did terrorists exclusively create this (threat of terror)? My point is, does a terrorist exclusively create terror... or do these terrorists have a broader goal beyond simple terrorism?