RE: Visio
Denise
You can add new layers to organize custom categories of shapes, and then assign shapes to those layers:
On the View menu, click Layer Properties, and then click New.
Type a name for the layer, and then click OK.
In the Layer Properties dialog box, select the check box in each column for properties that you want the layer to have, if they are not already checked.
Notes
When you create a new layer, it is added only to the current page, not to all pages in the file.
Similarly, when you create a new page, that new page does not inherit layers from the previous page. You must define any layers that you want the new page to have.
When you copy a shape with a layer assignment from one page to another, either within the same drawing or from one drawing to another, the layer is added to the new page. If the page already has a layer with the same name, the shape is added to the existing layer.
regards
Best Team