| Next | or the Header for the next page. |
| Home | for the home page. |
| Marker | for information about a marker site. |
| Find | for directions to a site. |
| Sites | to select a tour or a site from a map or list. |
| Help | for these instructions. |
| Play | to hear an audio version of the text from the beginning. |
| Pause | to pause the audio version. |
| Resume | to resume the audio version from where it was paused. |
| Screen | to hide/show the footer buttons. |
| Map Flag | or marker list item to select a marker site for the next tour stop. |
