"Get new technology first"
In this case the set of sections that come before the body of the book are known as the front matter.
The world’s leading trade show for industrial equipment.
> 5,000 exhibitors
Keeping the concept of the introduction the same, different documents have different styles to introduce the written text.
If a Userguide is written, the introduction is about the product. In a report, the introduction gives a summary about the report contents.