This document provides an introduction to online courses, outlining their pedagogical basis and how they provide engagement through means like discussion, hands-on projects, and presentations. It also notes they are based on constructivist principles. Specific ways online courses enable this pedagogy are through audio/visual materials, discussion boards, emails, group/individual assignments, live online sessions, and assessment tools. Finally, a sample online course structure is presented involving an intro video, learning modules with content presentation, practice/application, resources, and a final assessment.