1.RSS files provide summary data (e. g. headline and article summaries) that can be easily accessed and transformed by other websites.
RSS文件所提供的摘要数据（比如标题和文章概述），能够轻松地被其他网站存取和转换。
2.It is used to provide summary execution time, and processor utilization.
它用于提供总的执行时间和处理器利用率。
3.Log files provide summary information that is critical to seeing how a system or a specific server is behaving.
日志文件提供重要的汇总信息，有助于了解系统或特定服务器的行为。