Written materials are crucial for several reasons: 1. Communication: Accurate and timely documentation ensures that all healthcare providers have access to the same information, which is essential for delivering coordinated and consistent care. 2. Education: Written educational materials help in teaching patients about their conditions and treatments, which can improve health outcomes. 3. Legal Record: Written documentation serves as a legal record of the care provided, which is important in the event of legal scrutiny or audits. 4. Research: Written research articles contribute to the body of nursing knowledge and help in evidence-based practice.