The dark central area of a shadow cast by the Earth or the moon. The lighter outside area of a shadow cast by the Earth or the moon. When the moon is between the Earth and sun, and the moon totally blocks the sun for an area on Earth. When the Earth is between the moon and sun, and the Earth casts a shadow on the moon

Here are the terms matched with their definitions:

1. **Umbra** - The dark central area of a shadow cast by the Earth or the moon.

2. **Preumbra** - The lighter outside area of a shadow cast by the Earth or the moon.

3. **Solar eclipse** - When the moon is between the Earth and the sun, and the moon totally blocks the sun for an area on Earth.

4. **Lunar eclipse** - When the Earth is between the moon and the sun, and the Earth casts a shadow on the moon.