a. Duplicate, Copy, Nudge

To quickly duplicate or copy a node or link:

1. Right-click (Ctrl-click on the Mac) the object and select Copy.
2. On the map canvas, right-click (Ctrl-click on the Mac) and select Paste. A duplicate object is added to the map.

To move a node slightly (nudge) up, down, to the right or to the left:

1. Click the node. Selection handles appear.
2. On the keyboard, press the appropriate arrow key. The node is moved slightly.

To select (lasso) multiple objects:

1. Click and drag to create a rectangular outline. A rectangle with sizing handles surrounds the objects.
2. Make global changes to the group such as changing the Fill color.