Skylight vs X - What's the difference?
skylight | x |
A window, dome, or opening in the roof or ceiling, to admit natural light.
—solar radiation reaching the earth's surface after having been scattered from the direct solar beam by molecules or suspensoids in the atmosphere
The twenty-fourth letter of the .
Image:Latin X.png, Capital and lowercase versions of X , in normal and italic type
Image:Fraktur letter X.png, Uppercase and lowercase X in Fraktur
Roman numerals
----