Any design ships with the working parts
The reassuring part is that choosing a look is a styling decision, not a gamble on whether the page works. Behind any design you pick, the practical sections arrive already laid out โ the schedule, venues and directions, dress note, FAQ โ with the reply system wired in. You edit the wording freely, so the same template can read formally for a black-tie evening or playfully for a backyard lunch.
That is the honest frame for design ideas: use them to describe the day you want in a line or two, then browse the template library for the design that carries that line, preview the shortlist on a phone, and let the words you write make it unmistakably yours.