As a judicial officer the concepts of various terms must be fully grasped. This can be donein many ways, such as by study of the books on the relevant subject, by going through the interpretation given by the superior courts in their decisions, and by comparative study of the various jursidictions. The relevnt law, the rules, the instructions, the High Court Rules and orders must be given priority. The books is equally useful for the judges, prosecutors, attorneys andother legal examinations.