The following menu has 3 levels.
Use left and right arrow keys to navigate between menus and submenus.
Use up and down arrow keys to explore within a submenu.
Use enter to activate.
Within a submenu, use escape to move to top level menu parent. From top level menus, use escape to exit the menu.
Upon completion of soil sampling in the forestry plots, we journeyed back to the lab where I would learn the fine art of extracting nutrients from the soil.