(1) A feature in a drawing program that moves a text or graphic element to the closest grid line. Snap to can also be configured with most mice, which automatically moves the pointer to the default button in the current dialog box.
(2) A feature in a mouse driver that automatically moves the screen pointer to the default button in a dialog box. For example, countless dialog boxes are for information only and require that the user click OK to close it. The snap to places the cursor directly over the button and eliminates mouse movement. See good user interface.