Most people feel that working with layers is just the remit of AutoCad. You know showing and hiding various layers depending on the type of drawing you want to create. However a client the other day asked if it where possible to add comments and other information pertaining to particular shapes that you want to hide from most other users. That being the case here is a possible solution.
Should you need more information then please have a look at our Microsoft Visio 2010 Training Course Beginners
Use these Exercise files if you want to follow along with the video.