Christmas is a celebration of the birth of Jesus Christ. Although December 25th is the most commonly used date, the exact day on which Jesus was born is unknown. The holiday is celebrated around the world by billions of people, both Christians and non-Christians.
Christmas means it's a time to say thanks and give praise to God. Also it's about giving money to charity and for children who will be in hospital for Christmas. Another meaning is to spend quality time with family and friends and share Christmas presents with others.