The word law is a general term with many meanings. It is not posssible 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 relations with other individals and with the government. These rules and principles are design to make our relations smooth and enjoyable. If we follow them, we can avoid misunderstandings and trouble. We can also make our business relationships pleasant experiences.