This document provides an introduction to various aspects of nursing home law, including the different sources of law and how they relate. It discusses the three branches of government and concepts like federalism that determine what laws apply. It also outlines the primary sources of law, such as constitutions, statutes, regulations, and common law, as well as secondary sources that explain the law, like legal encyclopedias and dictionaries. Additionally, it covers legal research strategies and tools for finding relevant laws.