if something can be used to determine a public of something else then that something can likely be used to determine that public of a whole of that something else
people is not another_way_of_saying_person. everything is one_thing. people is another_way_of_saying_person. public_information is information. public_fact is one_everyone_knows. matter is tangible_thing. particular is fact. public_square is tangible_thing. persons is synonym_for_people. marking is tangible_thing.