These should focus on issues of interest to modern secular people. The invitations should prominently feature the menu, described in language that is fun and intriguing. The central leadership can help with expertise on wording and lay out of the invitations. By having a worker fill out name tags for people, we avoid awkwardness when talking to people. The first name should be big enough to read from a distance, and in bold marker ink.
Some groups use first names only for the sake of suggesting relative anonymity.
It is essential that the Christian members wear tags also. Some interesting facts about the menu may be shared, especially if it is international. The method for serving and eating should be explained. Some meals are eaten standing up. Otherwise, seating arrangements should be explained.