The document provides training on how to summarize articles and documents. It discusses summarizing based on how prominently a keyword is mentioned, and includes examples of summarizing company and competitor mentions. It also covers summarizing in the CISION format by including relevant quotes from the article in double quotes. The document then discusses essential grammar rules for summary writing, including tenses, active and passive voice, direct and indirect speech, prepositions, articles, and punctuations. It provides examples and explanations of when to use and not use these different grammar elements in summaries.