               already provides a full explanation, the media is an alternative for text and the
               text alternative includes only a brief description of the animation and refers to
               the tutorial text for more information.
            </p>
            
         </li>
         
         <li>
            
            <p>
               								       
               <strong>A video-only file with an audio track</strong>
               							     
            </p>
            
      