1. Earth's Rotation: Earth spins on its axis, completing one rotation roughly every 24 hours. This rotation is responsible for day and night.

2. Earth's Revolution: Earth orbits the Sun in an elliptical path, completing one revolution approximately every 365.25 days. This revolution is responsible for the seasons.

3. Earth's Axial Tilt: Earth's axis is tilted at approximately 23.5 degrees. This tilt causes the amount of sunlight reaching different parts of the Earth to vary throughout the year, leading to the seasons.

4. Sun's Movement: The Sun itself is not stationary, but also moves through the Milky Way galaxy. However, the Sun's movement is slow enough that it doesn't noticeably impact the Earth's orbit or seasons within a human lifespan.

These four movements are interconnected and have profound consequences for life on Earth. They are the foundation of our climate, our days, and our years.