VIPs refer to more distinguished guests, such as leaders and celebrities.
Wedding corsage, VIP is a valuable guest, including the manager of the man's family, or the guests who manage the banquet, are all important people.
The guests are friends and groomsmen of the man's family who married the woman, and all the people involved in marrying the wife are guests. Those who receive guests, those who go in and out to meet people, all belong to welcome guests.