Answer: Boxing Day is a holiday celebrated on the day after Christmas Day, primarily in the United Kingdom, Canada, Australia, New Zealand, and some other Commonwealth countries. It is a public holiday and is traditionally celebrated with activities such as exchanging gifts, attending church services, and participating in charity events. The day is also seen as a time to thank those who have been helpful throughout the year, such as postal workers, delivery drivers, and other service personnel. It is also a popular time for sales and special offers in retail stores.