7. Costly baggage, given by princess' mother represents the earthly goods. They don't do any good for her and she is unable to preserve them even long enough to get to her husband. The message is clear - parents should focus on giving their kids wisdom, courage and life skills, not money. Money is useless without knowledge to handle with.
8. Blood (three drops on the handkerchief) is the power of life. Mother has to lose some blood to give birth (think about Snow White and Seven Dwarfs) and in this fairy tale, she gives her daughter a handkerchief with three drops of blood as a lucky charm with magical properties. Yet the princess loses the handkerchief and mother's protection what forces her to find her own powers.
9. Geese represent loyalty, faithfulness, and truth, but also innocence, silliness, and cowardice. The princess must spend some time with them to choose which of all these characteristics shared with them should prevail in her personal future.
10. The iron stove is a symbol of rebirth. We can find an iron stove with an important role in Hansel and Gretel, where Gretel needs to kill the witch before she saves her brother and herself. The princess from The Goose Girl must lose everything before she can start with her new life and we find a similar situation in many different tales.