RCW stands for "Revised Code of Washington," which is a compilation of all permanent laws in the state of Washington. It organizes statutes into titles, chapters, and sections, making it easier for citizens, lawmakers, and legal professionals to access and understand the laws that govern the state. The RCW is regularly updated to reflect new legislation and changes in the law. It serves as an essential resource for understanding legal rights and responsibilities in Washington, covering various topics such as criminal law, family law, and business regulations.