Tree of life: it is a symbolic representation of various aspects of life according to the era and culture, and which appears in inscriptions, reliefs, Papyrus, etc from more ancient cultures like the Chaldean, Assyrian, Egyptian, Christian etc. Usually represent a tree of shape flat with branches coming out of the trunk and at each branch winged characters in an attitude of worship, there are also birds, or other symbols representing aspects of the lives of the men, also represent family trees of important characters, etc..