An executive summary is a concise overview of a research area that provides a brief summary of the key points and findings of a study. It typically includes a summary of the research problem, objectives, methodology, results, and conclusions. The executive summary is intended to give readers a quick understanding of the research area and its significance, without having to read the full report. It is often used in research proposals, reports, and presentations to provide an overview of the research area and its importance. Executive summaries are usually written in a clear and concise manner, using simple language to communicate complex ideas effectively.