Meaning of Oneview command icons?

Hi
When I active Oneview command.
I see 2 types of icon:


I did not use Ctrl + shift to snap view port.
What difference of these icons?

Thank

I believe that is showing you which construction plane is active.—-Mark

1 Like

I think so, waiting confirm from Rhino Team.

https://docs.mcneel.com/rhino/6/help/en-us/index.htm#commands/oneview.htm#(null)