The document discusses course delivery modalities including face-to-face, online asynchronous, online synchronous, hybrid, and HyFlex. It investigates the design and implementation of courses using the Learning Environment Modeling Language (LEML) for different delivery environments. The authors describe their experience delivering courses at Southern University and A&M College and Baton Rouge Community College. They aim to answer questions about the course delivery methods used by their institutions and how to validate guidelines and ensure student learning outcomes.