How To Write A Letter In A Card . Finally, below the address is your city, state, and zip code. Discover simple wishes like, “enjoy your special day,” to more personal notes like, “thanks for always being there and making life fun.”. How to write a Thank You Note from www.stockpilingmoms.com If you’re sending a greeting card that already explains it,. “lifting you up in prayer and hoping you have a better day today.”. Your recipient just took a couple minutes to read through your message — whatever it may have contained — go ahead and thank them.