I think it's just a matter of time till this will be added to the Q's & A's list as some things are of a higher priority than others.Still think it is a good idea to add this explanation to the Q&A list also. But at least on this forum it will be found typing in the word default.
and this may be of help to some readers here as well as Avatar pointed me to it-
NOTE: as admitted a lot is out dated in the documented material of Adguard and it's being worked on to be updated. I personally like the program updates and bug fixes to stay of a high priority and ask my questions here.