A synopsis is a brief summary of a play, film, or book that outlines the plot. Writing synopses is an important critical thinking skill as it allows large amounts of information to be condensed into a shorter version while retaining the key details. Technical summaries provide an overview of longer documents for readers who need a high-level understanding. To write an effective summary, one must identify the most important points by underlining them, write the summary in their own words while maintaining the same organization and tone, and ensure it is 15-20% the length of the original.