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Overview IDM 621 typically refers to a graduate-level course code in Instructional Design and Multimedia (or a closely related instructional design/educational technology program). This composition treats IDM 621 as a course on advanced instructional design theories, multimedia development, and evaluation methods for technology-enhanced learning. The goal: explain scope, learning outcomes, core topics, pedagogy, project work, assessment, tools, practical tips, and suggested readings. Course purpose and learning outcomes Purpose: Equip learners with advanced skills in designing, developing, implementing, and evaluating multimedia-rich instructional materials grounded in learning theory and usability principles.