Simple Definition:

Advent is a period of time observed in many Christian churches leading up to Christmas [the celebration of the birth of Jesus]. It begins on the fourth Sunday before Christmas and ends on Christmas Eve [the evening before Christmas Day].

For example:

• During Advent, Christians often light candles on an Advent wreath [a circular arrangement of evergreen branches] to symbolize the coming of Jesus.
• Many people also use an Advent calendar [a special calendar with doors or compartments] to count down the days until Christmas.

Very Simple Definition:

Advent is the time before Christmas when Christians get ready to celebrate the birth of Jesus.

For example:

• Christians light candles on a special wreath.
• People use a calendar to count the days until Christmas.