The text in blue color, shows the the damage you currently suffer from stagger per second;
the percentage in class color, shows the total stagger damage proportion of the your Maxhealth;
the statusbar is the value for the percetage as above;
The OX statue icon, you can destory the statue by a click.
It is extremly lite memory taken and it is dragable.
All the settings can be changed in the Config.lua.
Use ingame slashcmd "/stg" to move the frame, "/stg reset" to reset the position.