What does it mean to be in the path of totality?

1.You are on part of Earth that is in the penumbra of the moon’s shadow.
2.You are on part of Earth that can see a total lunar eclipse.
3.You are on part of Earth that is in the umbra of the moon’s shadow.
4.You are on part of Earth that can see a partial lunar eclipse.

3. You are on part of Earth that is in the umbra of the moon’s shadow.

Being in the path of totality means that you are in the direct path of the moon's shadow during a solar eclipse, resulting in experiencing the total eclipse where the sun is completely blocked out by the moon.