Mirror Reflection

A mirror is…

… a surface, most often glass with a metal backing, reflecting a clear image…

A reflection is…

… the throwing back by a body or surface of light, heat, or sound without absorbing it…

… an image seen in a mirror or shiny surface…

… a thing that is a consequence of or arises from something else…

… serious thought or consideration…

… an idea about something, especially one that is written down or expressed…

A moment is…

… a very brief period of time.

a beautiful vintage mirror
a beautiful vintage mirror in a dark room

Thanks to Google Dictionary for the definitions!