Oak is a large evergreen tree of Fagaceae and Quercus. It is native to North India, Malaysia and Indonesia. Now it is planted all over the world. Oak is the oldest living creature known in the world.

Oak has an eternal meaning, which symbolizes the eternal love between husband and wife, two people can stay together forever; happy, tie a red belt on the oak when they are newly married, which means happiness, warmth and sweetness after marriage; miss, people put oak to express their missing for their family; glory and strength, oak itself is a symbol of glory.

Source: @a.j.s_ink