Christmas is an annual holiday of Christians that commemorates the birth of Lord Jesus. Christmas Day celebrations include various traditions such as arrival of Santa Claus, display of nativity scenes, Christmas trees and exchange of gifts and cards. Christmas is the main festival of Christians all over the world. This festival marks the celebration of birth of Lord Jesus Christ. The name 'Christmas' is originated from the Mass of Christ . Lord Jesus. The Mass service is also called as Communion or Eucharist. Christians remember that Jesus died for the noble cause of humanity then came back to life as well.