Striving in the cause of God (Jihad) is one of the most misunderstood issues in Islam (Submission), even by those who consider themselves Muslims. Many of the so called "Muslim" scholars have confused the issue by their personal opinion that has NO support in the Quran. Most of these deviant opinions originate from false teachings found in the books of Hadiths and sunna.
Jihad (striving in the cause of God) is used synonomously with Terrorism which is an unsuccessful attempt of satan to defame God and his religion. This section answers all your questions about Jihad and Terrorism in Islam (Submission).