Every year, Jewish families all over the world will gather together on the first night of Passover for a traditional Seder meal. The table will be set beautifully, a classic meal will be enjoyed, and the evening will proceed as the Seder rituals demand. You already know that there’s a Seder plate on the table filled with items such as a lamb shank bone and bitter herbs, but you may not know why they’re there. What does that roasted egg really mean? Why is an extra place set for prophet Elijah? Why are the greens dipped in salt water before being eaten? We’re here to decode all the Seder symbolism, so that you really understand this festive meal.