(Swiss people preferred) What are "Zvieri" and "Znüni" ?

Question 1) As the title question Question 2) What doe the Swiss people generally do during "Zvieri" and "Znüni" ? Are "Zvieri" and "Znüni" common in every part of Switzerland? Question 3) Whar is Buuresuppe ? And what are "Rösti" and... show more Question 1) As the title question

Question 2) What doe the Swiss people generally do during "Zvieri" and "Znüni" ? Are
"Zvieri" and "Znüni" common in every part of Switzerland?

Question 3) Whar is Buuresuppe ? And what are "Rösti" and "Güggeli" ?
Which Swiss city has the best of these things?

Question 4) Can Swiss people understand "Hochdeutsch" ? Or they prefer tourists
to speak "Swiss German" to them?

Danke
2 answers 2