This document discusses accessibility in online courses. It defines accessibility, universal design for learning, and accommodations. It describes common disabilities like visual, audio, physical, speech, and cognitive/neurological impairments. It provides tips for making content accessible like using descriptive text, headers, alt text for images, and accessible file formats. Steps are outlined for designing an accessible Blackboard course, such as using consistent navigation, captions, transcripts, descriptive links, color contrast, and proofreading.