What is meant by the stars/asterisks that are printed around some words/phrases in the Pri Megadim on the shulchan aruch? These asterisks/stars are found repeatedly on almost every page of the Pri Megadim - more so in Ohr Hachayim - in all editions of the shulchan aruch.
This indicates a chiddush that he is writing. The same is true for "the finger" that sometimes appears.
See in his introduction in the first chelek of Orach Chaim here:
The paragraph on the bottom right that starts 'הה