‘Decorum’. ‘Social formula’. They’re terms within the nineteenth 100 years. Possibly these pages come out slightly much like the manuals on etiquette that shot to popularity in The uk under king Victoria, aimed at the freshly rich middle-classes desiring to join respectful people.
In this situation, all pages and posts instruct (typically) teenage boys on the amount to not perform in civilised company – for example never send out an unsolicited penis photograph to a blushing young girl you prefer.