How "Extremism" is defined

Violent extremism is the method of action of socially and economically backward people who support or use violence to reach at their ideological, religious or political goals. They adopt terrorism and other forms of politically motivated programs and communal violence. Any kind of violent extremism want to have change through fear and intimidation rather than communicating through peaceful ways. Violent extremism is defined like if some persons or group decides that fear, terror and violence are right to achieve ideological, political or social change then they act accordingly.