The "World Tree" is a mythical concept found in various cultures, symbolizing the connection between different realms of existence. Often depicted as a large tree, it serves as a bridge between the heavens, earth, and the underworld. In Norse mythology, the World Tree is known as Yggdrasil, which connects the nine worlds and is central to the cosmos. In other traditions, such as in Mesoamerican cultures, the World Tree represents life, growth, and the interconnectedness of all living things. It is often associated with creation myths and serves as a reminder of the balance between nature and humanity.