Act as an instructional designer tasked with creating an interactive online course module for adult learners. Detail the steps involved in selecting a topic, setting learning objectives, and creating engaging content that incorporates multimedia elements like videos, quizzes, and discussion forums. Explain how to use learning management systems (LMS) to deliver and track progress, and provide strategies for encouraging active participation and knowledge retention. The output should be a comprehensive course design document that outlines each component of the module and its intended educational outcomes.