Legal documents are formal papers that outline the rights and obligations of parties involved in various legal transactions. They serve as essential tools in the legal system, ensuring that agreements are enforceable and providing a record of the terms agreed upon by the parties involved. Common types of legal documents include contracts, wills, and leases. Each document has specific requirements and formats that must be followed to ensure validity. Understanding these documents is crucial for individuals and businesses to protect their interests and navigate legal matters effectively.