Universal Design for Learning (UDL) refers to the process of making the course concepts and skills more accessible to students with differing learning styles or physical, sensory or linguistic abilities.  UDL seeks to accommodate the widest range of students possible.  For example, captioning is an absolute necessity for students who are deaf or hard of hearing.  It is also a great help to students who speak English as a second language, those with learning disabilities, and others.  Captioning is especially helpful if there is noise from fans, construction, or other distractions.  Another example of UDL is to post outlines, lecture notes, copies of overheads and PowerPoint slides on the Web.