I came across this resource today that you may find helpful. Not many brides and grooms know the ins and outs of liturgy, and in some parishes, you might be couple #312 getting married that summer and someone is just running through a checklist. It's three bucks. Treat yourself.
https://www.ltp.org/p-2923-united-in-christ-preparing-the-liturgy-of-the-word-at-catholic-weddings.aspx