Select the measurement tool from the toolbar and create annotations for distance, perimeter, area, and count.
Use the measurement tool overlay to set scale and precision, and enable snapping if desired.
Draw a main area first. To create an island, select that area, click Draw Island, and draw the subtracting area inside it.
Use Rename Category to give the selected measurement area a more meaningful name.
Use Update Legend to place a printable legend on the sheet, then move it wherever you want.
For more instructions, watch this YouTube video.