The ES should contain the main points of the report. What is the difference between an executive summary and a summary?Īn executive summary (ES) or executive outline is a condensed version of a longer document. What is an executive summary in a business plan? What to Include in an Executive Summary:.Why should you write an executive summary?.State Your Objectives – Define What You Want to Achieve Start With the Title – Include the Project Purpose How to Write an Executive Summary and Why to Write it?.