Vector maps are constructed from layers that can be selected or deselected.
Click the Printer button at the top of the page to open the printing pop up window:
These options are found in the left-hand menu.
Measurement tools
Overlays
Drawing tools in the left hand menu allow you to annotate your map (Create), Import or Export annotations.
Create:
Export:
You can save annotations and use them in any Roam service including Historic Roam. In the Drawing tools menu:
Import:
You can Import or open saved annotations. From the Drawing tools menu: