Symbols that mean something else:
Symbol for Google Email:
looks like Rose Croix apron of the Scottish Rite:
From website: http://www.freemasoncollection.com/1...-18-DEGREE.php
The Apple computer logo:
In the bible Eve bite the apple from the Tree of Knowledge and god cast out them out of the Garden of Eden.
Apple computer sees them selves as Tree of Knowledge for us to eat from?
Add more if you know some: