What does RMB stand for ? Rated 5 out of 5 stars

Great add-on.
I see in this new version's features a RMB. Please explain what this stands for. Thanks

This review is for a previous version of the add-on (  This user has a previous review of this add-on.

Right mouse button. Addon has plenty of functionality for LMB\RMB, please see https://bitbucket.org/ashemetov/selectionsk/wiki/FAQ#!what-the-deal-with-left-mouse-button-click-right-mouse-button-click