The word law is a general term with many meanings. It is not possible to give a single,accurate definition of law. However,in the legal sense with which we are concerned in this book,law includes all the rules and principles which regulate our relation with other individuals and with the government. These rules and principles are designed to make our relation smooth and enjoyable. If we follow them,we can avoid misunderstandings and trouble. We can also make our business relationship pleasant experiences.