On the insert tab are elements that can be added to the layout.

Add line/surface |
Add a line or a surface. This function can be used to draw shapes, the train table, or even your garden. |
Add ruler |
Add a ruler. The length and style can be set afterwards. |
Add text |
Add text. The font and size can be set afterwards. |
Page url: http://www.anyrail.com/help_en/index.html?insert_tab.htm