What is the purpose of Snap to Nodes?
To enable the cursor to snap to a node of a map object when it comes within a certain distance..
When is Snap to Nodes active?
When a single region, polyline, line, arc, or point is selected from an editable map layer.
How do I access Snap to Nodes?
On the SPATIAL tab, in the Edit group, click Nodes, and click Snap to Nodes.