A key section at the rear of the book contains addresses.

They returned to the key section of the passage.

But the bill's key sections were not in dispute, officials on all sides said tonight.

Finally, he looked at the key sections and reread them carefully.

Modifying a law by removing a key section is a proposal.

The key restrictive section of the Act applied, however, not to teachers but to students.

The sales letter is split into several key sections.

To my way of thinking, Paragraph 7 is the key section.

It will be published shortly but here's the key section:

A few key sections; a couple of hours at most.