* The Wizard's True Nature: Dorothy and her friends discover that the Wizard is a mere charlatan, a man behind a curtain using illusions and trickery to appear powerful.
* The Power of Home: Dorothy's yearning for home and the love of her family and friends is the true source of her strength and power. She learns this through her journey and the kindness she encounters along the way.
* Clicking Her Heels: Dorothy realizes that she can return to Kansas by clicking her heels together three times and saying, "There's no place like home." This signifies the importance of self-belief and the power of believing in the magic that exists in the ordinary.
* A Return to Reality: Dorothy wakes up back in her bed, realizing that the journey was a dream. But the lessons learned and the friendships forged remain real, adding a sense of personal growth and self-discovery.
The ending of The Wizard of Oz is a powerful message about finding strength and magic within oneself and appreciating the value of home and loved ones.