CE - Toolbar: Snap
Click on the small triangle to open the icon's context menu:
Horizontal Snap
When enabled the mouse cursor snaps in at a particular time. It is also possible to activate “Horizontal Snap” and “Vertical Snap” and then the cursor snaps in at the canvas grid's crossing points.
Vertical Snap
When enabled the cursor snaps in at a particular parameter value. It is also possible to activate “Horizontal Snap” and “Vertical Snap” and then the cursor snaps in at the canvas grid's crossing points.