Using snapping while editing

Snapping helps you create features and perform edits more accurately.

Steps:

1. Turn on snapping and enable the snap agents you want from the Snapping toolbar.
As you move your pointer around the map with an editing tool, such as the Line or Polygon tool, the pointer will snap to various geometric locations as you move over them. You can tell what you have snapped to by noting the cursor's feedback appearance and the pop-up SnapTips.
2. Once the cursor has snapped, click to place a vertex or point or perform the edit as desired.