Trees crop in every kind of folk tale and myth.Trees in Celtic Mythology: Trees were hugely significant to the ancient Celts. They believed different kinds of trees served different mystical purposes that helped them through their lives.
Icelandic magical staves (sigils) are symbols credited with magical effect preserved in various grimoires dating from the century and later. According to the Museum of Icelandic Sorcery and Witchcraft, the effects credited to most of the staves.
Understanding Celtic symbols is shown in the image above. Celtic history is one of the most important parts of history as it was the start of many other Religious groups and their own symbols or signs.