Vegvisir for guidance Ungiz for perseverance surrounding runes: "not all who wander are lost." Valknut for strength. Huginn and muginn for wisdom. Yggdrasil for balance. Jerah and dagaz for decision making.
Tree rings are said to show how old a tree is. So showing tree rings that indicates an older tree, it could either depict you as an old soul or that you are strong enough to grow. But it could definitely depend on your own story.