You would have to be living under a rock to have not
heard of Christmas.
It is celebrated across the globe by
Christians and non-Christians alike.
Traditions and celebrations vary and are influenced
greatly by a person's nationality, culture and religious
However, a few things I've noticed are fairly common
during this winter festival:
Celebrating the Birth of Jesus
Putting up and decorating a Christmas Tree
Decorating Homes, Churches, Schools, Workplaces, etc..
Exchanging gifts, going to parties, spending money, etc..