The yellow brick road is quite significant to the wizard of oz. It represents the journey, guiding everyone and showing the gang the way. “Walk on your own yellow brick road." - Sadiqua Hamdan.

The yellow brick road is a symbol of guidance, it can represent the excitement of a journey and the disappointment of the end of the journey.

"Just follow the yellow brick road" means no matter what journey you go on there will always be a path to follow. In conclusion the yellow brick road is a significant symbol in the wizard of oz and represents guidance on a journey.

The Emerald city plays a key role in both the film and the novel, it represents money and power. In Oz money and power rule everything, you are considered invincible if you have either of these.

It can also represent the US currency, greenback. "My people have been wearing green glasses on their eyes for so long that most of them think this really is an Emerald City". - The Wizard, The Wonderful Wizard of Oz.

This quote shows that money and power can 'blind' you as such, giving you a false sense of security as well as hiding behind large walls and blocking out the world's problems.

Overall the Emerald city is a symbol of great riches and power but it is also a symbol of hope for the munchkins.

The ruby red slippers are a symbol of magic and safety, whomever wears them is considered completely untouchable and safe.

The shoes are also considered a bearer of magic, anyone who wears them is assumed to be a powerful witch or wizard and is supposedly invincible.

In the scene linked below the witch's desire for these slippers is clear and is a good example of the power that they wield.

When Dorothy puts these shoes on her feet she is unable to be harmed hence bringing forth safety.

Overall the red slippers are an inevitable symbol in the wizard of oz and represent safety and power.