Advent Symbols

 The Advent wreath is one of the best known symbols of Advent.

• Traditionally made of evergreen branches formed into a circle with 4 candles held within. 
• The evergreen circle is a symbol of eternal life.
• Green from the evergreen is considered a symbol of hope.

Advent Candles usually comprise of three purple candles with one rose or pink.

• The candles recall the weeks that pass until Christmas.
• Purple candles symbolise waiting, also penitential but not in the same way as Lent.
• Rose or Pink is used on the third Sunday of Advent to symbolise rejoicing, since the Third Sunday of Advent  is referred to as Gaudete (Rejoice) Sunday.
• They are lit, light used as a symbol of Christ being the light of the World coming through the darkness.
• Sometimes a white candle is placed in the middle, people use when lit as the representation of Christ entering the world.

Source: https://www.catholicapostolatecenter.org/symbols-of-advent