"Terrorism is not a group, not an ideology, but a tactic. A war on a tactic, without a defined enemy, signifies no ending, and an endless undefined war is regarded by many as a state of terror."p. 22
The Geopolitics of ‘Hearts and Minds’: American Public Democracy in the War on Terrorism
By Anja Sletteland
Norwegian Institute of International Affairs
I don't think I've read anything that so simply and succintly describes what terrorism is, and how by making these words part of our habitual culture do we lose sight of what exactly we are doing, and why.