give a background of what fairness and effectiveness means according to Saudi Constitution, Islamic law and International treaties.
This should include basis of fairness and sources from which its provisions are derived, definition and its impetrative that leads to what is called effectiveness.

These values should be applied to terrorism victims – what is fair and effective in relation to victims?

based on human right theory in which victims have the right to 4 elements when the state is dealing with terrorism ( right to planning to avoid being victimized; right to proportionality in operational interventions; right to investigation; right to compensation, examine minimum standards to which victims should be treated according to international treaties, agreements and the national constitution. There may be competing values eg economic costs mean other priorities in social spending may be affected; the fairness of criminal trials of suspected terrorists must be considered.

please use fair language not too simple not too complicated or difficult.
Use OSCOLA referencing style
use clear and good structured