Using Text and Hypertext to Instruct

In teaching and learning, I must say, that upon completing project 1, I had really taken audio and visual aids for granted.  Trying to instruct solely using text and hypertext is a lot harder that what I initially thought it was going to be. In my teaching and learning experiences there have almost always been visual and audio aids present to supplement the text. In fact, in recent years it seems as though text is used only as a supplemental to visual and audio aids for instructional purposes. In some cases, no text is even used when instructing a process. After completing project 1 I understand why it is so difficult to instruct using text only and why some companies use less text and primarily use audio and visuals to teach a process. Just the other day I was assembling a wagon I got from my son and the instructions were primarily in picture format. The only text used was the numbering of the steps. The rest of the instruction were just pictures of the assembly process. When I...