The top of the arc should be a bit above eye level.

Now she knew what kind of arc to take to stay on course.

He is killed at the end of the story arc.

At some point we are going to reach the high end of the arc.

It reached the top of its arc and began to fall.

By the end of the story arc he has been arrested.

At the end of its arc, the current pulled my fly under.

Joan of Arc took back land for him, but she died very young.

Tuesday, it seemed, did not mark the top of the arc.

It was still on the upward part of its arc.