If you have lost your “placecard,” you can find your table here.
If you want to wash for Hamotzi, washing stations can be found in the rear of the room, and there will NOT be a communal hamotzi, so feel free to make your own after washing.
Jewish weddings are joyous, even raucous occasions. First the bride and groom are formally welcomed, followed by dancing, of course, but there is also time set aside to entertain the Bride and Groom, called shtick. Inside jokes are perfectly fine – as long as the Bride and Groom are laughing, it doesn’t matter if anyone else gets it.
After dinner, honored guests will recite the seven wedding blessings, called “Sheva Brachot” as part of Birkat Hamazon, the grace after the meal (Full Text).