Question
1. What does Posek Hador mean? 2. What does Maran mean? 3. What does shlita mean? 4. What does Segula mean? 5. What does Zatzal mean? 5. What does Hagaon mean?

Question
Can you explain to me the origin and meaning of the Star of David? Who invented it and when? What does it symbolize? When did it come to be a symbol of Judaism? Thank you!