Cut Design: Bring the design to the Cut Previewto cut. Optionally, hit F12 on the keyboard.
Show Opening Size Labels: Check this box to label the objects with the width/height of the object. Uncheck this box to not display the sizes; this will not remove labels that are manually entered on the Properties Tab.
Auto Align Openings: Check this box to allow the software to display blue alignment lines that indicate when objects are aligned with each other. Uncheck to not display the alignment lines when arranging objects.