大綱

大綱或作階層式大綱是顯示層級關係和樹狀結構型態的一種清單，用於呈現句子之中的要點或者某個主題的條列要旨^[1]。當中的每個項目也許會劃分成更多的子項目。目前通用的主流寫作型態指南，建議其組織層級至少要有兩個子分類^[2]。這種結構可用於文書的草擬方法、作為文件內容的摘要或是整體理解的途徑。除了清單的形式，尚有多種類型選擇。

參見

• 摘要
• 概念圖
• 等級制度
• 心智圖
• 主題地圖
• 樹狀結構

注釋

1. Lists and Outlines (6.121–126). Chicago Manual of Style 16th. Chicago: U. of Chicago Press. 2010 [2011-10-20]. 
2. 以下是相關寫作型態指南的未盡臚列清單：

   • Turabian, K. L. A Manual for Writers of Research Papers, Theses, and Dissertations 7th. Chicago: U. of Chicago Press. 2003: 63–64. You should have at least two items to list at each level; if you do not, reconsider the structure of the outline. 
   • Gibaldi, J. MLA Handbook for Writers of Research Papers 6th. New York: Modern Language Association of America. 2003: 53. Logic requires that there be a II to complement a I, a B to complement an A, and so on. 
   • Tardiff, Elyssa; Brizee, Allen. Four Main Components for Effective Outlines. 2010-01-08 [2010-04-02]. （原始内容于2010-03-28）. Division – How do I accomplish this? Each heading should be divided into 2 or more parts. 
   • (PDF). Psychology Writing Center, U. of Washington. [2010-04-02]. （原始内容 (PDF)存档于2010-08-20）. Both topic and sentence outlines follow rigid formats... By convention, each category consists of a minimum of two entries. 
   • . Los Angeles City College Library Online. [2010-04-02]. （原始内容存档于2010-03-30）. Each heading and subheading must have at least two parts.