→Map Editing Basics: wikilink
# Click the item you want to create under the big + button
#* For a road, click to start drawing, click to add a geometry [[node]] as you follow a path, and double-click (or shift-click) to end drawing
#* For a roundabout, click at the center of the roundabout and move the mouse to size it. Click to create it
#* For a landmark, or POI (Point of Interest), click to start the landmark and click as you follow the outline of the area. Double-click to end drawing.
# For each object, there are details you need to enter before saving, such as the city, street name, direction and level, or landmark type for landmarks.