When my son was two, his greeting at Christmas was "Merry Christmas Tree." We kept trying to get him to just say, "Merry Christmas." You know how that worked out. Finally, we just let it go, much to the delight of friends and complete and total strangers who were wished a "Merry Christmas Tree."
Explanations don't last the year at this age. So, next Christmas Season, he asked about Christmas. I explained celebrating baby Jesus birthday. From shortly after Thanksgiving until New Year's Day, we had to sing "Happy Birthday" to Jesus at each meal of the day. It was trying, to say the least. How could a parent say, "No" to this sweet-faced child who finally said "Merry Christmas."
Share some Christmas cuteness of your small child. Make me smile.