The pitcher threw a fastball right down the middle of the strike zone.

The Arctic Zone is a region located from the Arctic to the Arctic Circle.

I always get confused with the different time zones when I travel.

The establishment of a free-trade zone has led to increased economic growth.

When I'm studying, I often zone someone out and don't pay attention to what they're saying.

The zone of proximal development is the range of tasks that a learner can perform with guidance and support from a more knowledgeable individual.