How to browse for shapes.
If you wish, you can browse for shapes by using the File menu and the Shapes submenu. Items on that submenu are organized the same way as the templates are.
For example, let's say that a few weeks ago you used Visio to create a map. You remember using a shape for the airport in the map, and now that shape would be helpful in the flowchart you are making. To get that airport shape into the flowchart, you could browse as shown here. The Transportation Shapes stencil would appear in the Shapes window along with your flowchart stencils, and you could drag the airport shape to the page.
Note Some shapes have special behavior that is linked to a particular template. If they are used outside of that template, they may not behave in the same way.