Snap Lines
Specifies the display options for snap lines.
Display Snap Lines
Displays or hides snap lines that you can use to align objects on a page.
Snap to Snap Lines
Automatically aligns objects to vertical and horizontal snap lines. To override this feature, hold down the Option key Alt key when you drag an object.
Snap Lines to Front
Displays the snap lines in front of the objects on the slide or page.