Purpose: Induce the reader to read the entire document.
Content: What is the main problem discussed in the report? Motivating examples. Summary/overview of the report. Formal/informal statement of main results.
Chapter 1: Introduction
Light hearted opening
Statement of the importance of the problem
somewhat formal definition of the problem.
1.1 Overview
Overview of the rest of the chapter
1.2
Summary of main problems and approaches
1.n Overview of Report
Chapter 2 discusses the xyz problem in more detail. Chapter 3 discusses the pqr approach ...