After 9/11, many writers have posited the relationship between Islam and violence as either elemental or anomalous. Khaleel Mohammed defines Islam as transcending the usual understanding of religion, being instead like a 'sacred canopy' that provides meaning for every aspect of life. In addition, he shows that violence has both physical and psychological dimensions and expounds at length on jihad. He traces the term's metamorphosis of meaning from a struggle in any worthy cause to war and finally to its present-day extension to include martyrdom and terrorism. Finally, he covers the dimensions of violence in the Islamic law and the institutional patriarchy.