Summary writing. Or a written summary of the key content is the main idea. And written by the author. Your content is shorter than the original length.
Writing a summary or brief summaries are written only the content that is important to the main idea and written in the language of the author is to minimize the content length, shorter than the original.
Write a brief summary or overview of the content of the main writing only the main idea and write it in the language of the author is content to minimize the length, shorter than ever