Q: Does "head" have the same meaning in the following two sentences?

The head of the list.

I've got to go to the head.

A: different meanings

Q: Does "box" have the same meaning in the following two sentences?

An armed guard sat in the box with the driver.

The flowchart contained many boxes.

A: different meanings

Q: Does "chain" have the same meaning in the following two sentences?

This led to an unfortunate chain of events.

A chain of ideas, one leading to the next.

A:
the same meaning